57012843969 has 48 divisors (see below), whose sum is σ = 88959237120. Its totient is φ = 35082178560.

The previous prime is 57012843959. The next prime is 57012843977. The reversal of 57012843969 is 96934821075.

57012843969 is a `hidden beast` number, since 570 + 1 + 2 + 8 + 4 + 3 + 9 + 69 = 666.

It is not a de Polignac number, because 57012843969 - 2⁷ = 57012843841 is a prime.

It is a super-3 number, since 3×57012843969³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (57012843959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2252617 + ... + 2277785.

It is an arithmetic number, because the mean of its divisors is an integer number (1853317440).

It is a 2-persistent number, because it is pandigital, and so is 2⋅57012843969 = 114025687938, but 3⋅57012843969 = 171038531907 is not.

Almost surely, 2^57012843969 is an apocalyptic number.

57012843969 is the 151014-th heptagonal number.

It is an amenable number.

57012843969 is a deficient number, since it is larger than the sum of its proper divisors (31946393151).

57012843969 is a wasteful number, since it uses less digits than its factorization.

57012843969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582 (or 25579 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 57012843969 in words is "fifty-seven billion, twelve million, eight hundred forty-three thousand, nine hundred sixty-nine".