2051374004321 has 8 divisors (see below), whose sum is σ = 2160525592320. Its totient is φ = 1942340869872.

The previous prime is 2051374004297. The next prime is 2051374004327. The reversal of 2051374004321 is 1234004731502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2051374004321 - 2³⁸ = 1776496097377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051374004327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29577830 + ... + 29647103.

It is an arithmetic number, because the mean of its divisors is an integer number (270065699040).

Almost surely, 2^{2051374004321} is an apocalyptic number.

It is an amenable number.

2051374004321 is a deficient number, since it is larger than the sum of its proper divisors (109151587999).

2051374004321 is a wasteful number, since it uses less digits than its factorization.

2051374004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59226775.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 2051374004321 its reverse (1234004731502), we get a palindrome (3285378735823).

The spelling of 2051374004321 in words is "two trillion, fifty-one billion, three hundred seventy-four million, four thousand, three hundred twenty-one".