188052809474 has 16 divisors (see below), whose sum is σ = 284154846360. Its totient is φ = 93337021440.

The previous prime is 188052809471. The next prime is 188052809479. The reversal of 188052809474 is 474908250881.

It can be written as a sum of positive squares in 4 ways, for example, as 148429120225 + 39623689249 = 385265^2 + 199057^2 .

It is not an unprimeable number, because it can be changed into a prime (188052809471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472379 + ... + 774110.

Almost surely, 2^188052809474 is an apocalyptic number.

188052809474 is a deficient number, since it is larger than the sum of its proper divisors (96102036886).

188052809474 is a wasteful number, since it uses less digits than its factorization.

188052809474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247045.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 188052809474 in words is "one hundred eighty-eight billion, fifty-two million, eight hundred nine thousand, four hundred seventy-four".