187050195049 has 9 divisors (see below), whose sum is σ = 192258686277. Its totient is φ = 181979214624.

The previous prime is 187050195023. The next prime is 187050195077. The reversal of 187050195049 is 940591050781.

The square root of 187050195049 is 432493.

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 155555304025 + 31494891024 = 394405^2 + 177468^2 .

It is not a de Polignac number, because 187050195049 - 2²⁵ = 187016640617 is a prime.

It is a super-2 number, since 2×187050195049² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187050194993 and 187050195011.

It is not an unprimeable number, because it can be changed into a prime (187050196049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15996397 + ... + 16008085.

It is an arithmetic number, because the mean of its divisors is an integer number (21362076253).

Almost surely, 2^187050195049 is an apocalyptic number.

187050195049 is the 432493-rd square number.

187050195049 is the 216247-th centered octagonal number.

It is an amenable number.

187050195049 is a deficient number, since it is larger than the sum of its proper divisors (5208491228).

187050195049 is an frugal number, since it uses more digits than its factorization.

187050195049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452 (or 11726 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

Multiplying 187050195049 by its sum of digits (49), we get a square (9165459557401 = 3027451²).

The spelling of 187050195049 in words is "one hundred eighty-seven billion, fifty million, one hundred ninety-five thousand, forty-nine".