188349924049 has 45 divisors (see below), whose sum is σ = 233862887441. Its totient is φ = 151654513920.

The previous prime is 188349924029. The next prime is 188349924073. The reversal of 188349924049 is 940429943881.

The square root of 188349924049 is 433993.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1061782225 + 187288141824 = 32585^2 + 432768^2 .

It is not a de Polignac number, because 188349924049 - 2¹⁷ = 188349792977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188349924029) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 361515909 + ... + 361516429.

Almost surely, 2^188349924049 is an apocalyptic number.

188349924049 is the 433993-rd square number.

188349924049 is the 216997-th centered octagonal number.

It is an amenable number.

188349924049 is a deficient number, since it is larger than the sum of its proper divisors (45512963392).

188349924049 is an frugal number, since it uses more digits than its factorization.

188349924049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 188349924049 in words is "one hundred eighty-eight billion, three hundred forty-nine million, nine hundred twenty-four thousand, forty-nine".