51693746027 has 64 divisors (see below), whose sum is σ = 67181626368. Its totient is φ = 38610432000.

The previous prime is 51693746017. The next prime is 51693746077. The reversal of 51693746027 is 72064739615.

It is not a de Polignac number, because 51693746027 - 2¹⁰ = 51693745003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51693746017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67928327 + ... + 67929087.

It is an arithmetic number, because the mean of its divisors is an integer number (1049712912).

Almost surely, 2^51693746027 is an apocalyptic number.

51693746027 is a deficient number, since it is larger than the sum of its proper divisors (15487880341).

51693746027 is a wasteful number, since it uses less digits than its factorization.

51693746027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 51693746027 in words is "fifty-one billion, six hundred ninety-three million, seven hundred forty-six thousand, twenty-seven".