57219919018 has 32 divisors (see below), whose sum is σ = 90264585600. Its totient is φ = 27152089536.

The previous prime is 57219918997. The next prime is 57219919033. The reversal of 57219919018 is 81091991275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077193 + ... + 3095731.

It is an arithmetic number, because the mean of its divisors is an integer number (2820768300).

Almost surely, 2^57219919018 is an apocalyptic number.

57219919018 is a deficient number, since it is larger than the sum of its proper divisors (33044666582).

57219919018 is a wasteful number, since it uses less digits than its factorization.

57219919018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19086.

The product of its (nonzero) digits is 408240, while the sum is 52.

The spelling of 57219919018 in words is "fifty-seven billion, two hundred nineteen million, nine hundred nineteen thousand, eighteen".