214539899057 has 12 divisors (see below), whose sum is σ = 235882261188. Its totient is φ = 194981952000.

The previous prime is 214539899053. The next prime is 214539899059. The reversal of 214539899057 is 750998935412.

It can be written as a sum of positive squares in 2 ways, for example, as 102576716176 + 111963182881 = 320276^2 + 334609^2 .

It is not a de Polignac number, because 214539899057 - 2² = 214539899053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214539899051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192557 + ... + 682757.

It is an arithmetic number, because the mean of its divisors is an integer number (19656855099).

Almost surely, 2^214539899057 is an apocalyptic number.

It is an amenable number.

214539899057 is a deficient number, since it is larger than the sum of its proper divisors (21342362131).

214539899057 is a wasteful number, since it uses less digits than its factorization.

214539899057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493840 (or 493829 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 214539899057 in words is "two hundred fourteen billion, five hundred thirty-nine million, eight hundred ninety-nine thousand, fifty-seven".