3807157653421 has 4 divisors (see below), whose sum is σ = 3972686247072. Its totient is φ = 3641629059772.

The previous prime is 3807157653379. The next prime is 3807157653437. The reversal of 3807157653421 is 1243567517083.

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 3807157653421 - 2¹³ = 3807157645229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807157657421) 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, 82764296791 + ... + 82764296836.

It is an arithmetic number, because the mean of its divisors is an integer number (993171561768).

Almost surely, 2^{3807157653421} is an apocalyptic number.

It is an amenable number.

3807157653421 is a deficient number, since it is larger than the sum of its proper divisors (165528593651).

3807157653421 is a wasteful number, since it uses less digits than its factorization.

3807157653421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165528593650.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 3807157653421 in words is "three trillion, eight hundred seven billion, one hundred fifty-seven million, six hundred fifty-three thousand, four hundred twenty-one".