2140413412421 has 16 divisors (see below), whose sum is σ = 2299297840560. Its totient is φ = 1988581754880.

The previous prime is 2140413412409. The next prime is 2140413412463. The reversal of 2140413412421 is 1242143140412.

It can be written as a sum of positive squares in 8 ways, for example, as 396917640196 + 1743495772225 = 630014^2 + 1320415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140413412421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140413411421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12243200 + ... + 12416793.

It is an arithmetic number, because the mean of its divisors is an integer number (143706115035).

Almost surely, 2^{2140413412421} is an apocalyptic number.

It is an amenable number.

2140413412421 is a deficient number, since it is larger than the sum of its proper divisors (158884428139).

2140413412421 is a wasteful number, since it uses less digits than its factorization.

2140413412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24660136.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 2140413412421 its reverse (1242143140412), we get a palindrome (3382556552833).

The spelling of 2140413412421 in words is "two trillion, one hundred forty billion, four hundred thirteen million, four hundred twelve thousand, four hundred twenty-one".