51035760000638 has 24 divisors (see below), whose sum is σ = 89186917023144. Its totient is φ = 21839378576400.

The previous prime is 51035760000637. The next prime is 51035760000697. The reversal of 51035760000638 is 83600006753015.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51035760000637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393863408 + ... + 393992963.

It is an arithmetic number, because the mean of its divisors is an integer number (3716121542631).

Almost surely, 2^{51035760000638} is an apocalyptic number.

51035760000638 is a deficient number, since it is larger than the sum of its proper divisors (38151157022506).

51035760000638 is a wasteful number, since it uses less digits than its factorization.

51035760000638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787857048 (or 787857041 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 51035760000638 in words is "fifty-one trillion, thirty-five billion, seven hundred sixty million, six hundred thirty-eight", and thus it is an aban number.