27929494970 has 16 divisors (see below), whose sum is σ = 54140252040. Its totient is φ = 10312428864.

The previous prime is 27929494949. The next prime is 27929495017. The reversal of 27929494970 is 7949492972.

It can be written as a sum of positive squares in 4 ways, for example, as 18192344641 + 9737150329 = 134879^2 + 98677^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107421005 + ... + 107421264.

Almost surely, 2^27929494970 is an apocalyptic number.

27929494970 is a deficient number, since it is larger than the sum of its proper divisors (26210757070).

27929494970 is a wasteful number, since it uses less digits than its factorization.

27929494970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214842289.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 27929494970 in words is "twenty-seven billion, nine hundred twenty-nine million, four hundred ninety-four thousand, nine hundred seventy".