743441202204021 has 6 divisors (see below), whose sum is σ = 1073859514294710. Its totient is φ = 495627468136008.

The previous prime is 743441202203981. The next prime is 743441202204047. The reversal of 743441202204021 is 120402202144347.

743441202204021 is a `hidden beast` number, since 7 + 4 + 3 + 4 + 4 + 1 + 20 + 220 + 402 + 1 = 666.

743441202204021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 555200360036100 + 188240842167921 = 23562690^2 + 13720089^2 .

It is not a de Polignac number, because 743441202204021 - 2¹³ = 743441202195829 is a prime.

It is a super-2 number, since 2×743441202204021² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743441202202021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41302289011326 + ... + 41302289011343.

It is an arithmetic number, because the mean of its divisors is an integer number (178976585715785).

Almost surely, 2^{743441202204021} is an apocalyptic number.

It is an amenable number.

743441202204021 is a deficient number, since it is larger than the sum of its proper divisors (330418312090689).

743441202204021 is a wasteful number, since it uses less digits than its factorization.

743441202204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82604578022675 (or 82604578022672 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

Adding to 743441202204021 its reverse (120402202144347), we get a palindrome (863843404348368).

The spelling of 743441202204021 in words is "seven hundred forty-three trillion, four hundred forty-one billion, two hundred two million, two hundred four thousand, twenty-one".