57994623693 has 6 divisors (see below), whose sum is σ = 83770012014. Its totient is φ = 38663082456.

The previous prime is 57994623691. The next prime is 57994623737. The reversal of 57994623693 is 39632649975.

57994623693 is a `hidden beast` number, since 57 + 9 + 9 + 462 + 36 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51375662244 + 6618961449 = 226662^2 + 81357^2 .

It is not a de Polignac number, because 57994623693 - 2¹ = 57994623691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57994623693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57994623691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3221923530 + ... + 3221923547.

It is an arithmetic number, because the mean of its divisors is an integer number (13961668669).

Almost surely, 2^57994623693 is an apocalyptic number.

It is an amenable number.

57994623693 is a deficient number, since it is larger than the sum of its proper divisors (25775388321).

57994623693 is a wasteful number, since it uses less digits than its factorization.

57994623693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443847083 (or 6443847080 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 57994623693 in words is "fifty-seven billion, nine hundred ninety-four million, six hundred twenty-three thousand, six hundred ninety-three".