57641090861929 has 3 divisors (see below), whose sum is σ = 57641098454103. Its totient is φ = 57641083269756.

The previous prime is 57641090861873. The next prime is 57641090861953. The reversal of 57641090861929 is 92916809014675.

The square root of 57641090861929 is 7592173.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 907837368025 + 56733253493904 = 952805^2 + 7532148^2 .

It is not a de Polignac number, because 57641090861929 - 2¹⁷ = 57641090730857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57641090861129) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3796087 + ... + 11388259.

It is an arithmetic number, because the mean of its divisors is an integer number (19213699484701).

Almost surely, 2^{57641090861929} is an apocalyptic number.

57641090861929 is the 7592173-rd square number.

57641090861929 is the 3796087-th centered octagonal number.

It is an amenable number.

57641090861929 is a deficient number, since it is larger than the sum of its proper divisors (7592174).

57641090861929 is an frugal number, since it uses more digits than its factorization.

57641090861929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184346 (or 7592173 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 67.

The spelling of 57641090861929 in words is "fifty-seven trillion, six hundred forty-one billion, ninety million, eight hundred sixty-one thousand, nine hundred twenty-nine".