51068919783 has 16 divisors (see below), whose sum is σ = 77823316736. Its totient is φ = 29180736000.

The previous prime is 51068919721. The next prime is 51068919787. The reversal of 51068919783 is 38791986015.

It is not a de Polignac number, because 51068919783 - 2¹⁸ = 51068657639 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 (51068919787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453360 + ... + 554682.

It is an arithmetic number, because the mean of its divisors is an integer number (4863957296).

Almost surely, 2^51068919783 is an apocalyptic number.

51068919783 is a deficient number, since it is larger than the sum of its proper divisors (26754396953).

51068919783 is a wasteful number, since it uses less digits than its factorization.

51068919783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125334.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 51068919783 in words is "fifty-one billion, sixty-eight million, nine hundred nineteen thousand, seven hundred eighty-three".