740821021341 has 4 divisors (see below), whose sum is σ = 987761361792. Its totient is φ = 493880680892.

The previous prime is 740821021333. The next prime is 740821021489. The reversal of 740821021341 is 143120128047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 740821021341 - 2³ = 740821021333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740821021541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123470170221 + ... + 123470170226.

It is an arithmetic number, because the mean of its divisors is an integer number (246940340448).

Almost surely, 2^740821021341 is an apocalyptic number.

It is an amenable number.

740821021341 is a deficient number, since it is larger than the sum of its proper divisors (246940340451).

740821021341 is a wasteful number, since it uses less digits than its factorization.

740821021341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246940340450.

The product of its (nonzero) digits is 10752, while the sum is 33.

Adding to 740821021341 its reverse (143120128047), we get a palindrome (883941149388).

The spelling of 740821021341 in words is "seven hundred forty billion, eight hundred twenty-one million, twenty-one thousand, three hundred forty-one".