187339295053 has 4 divisors (see below), whose sum is σ = 187372440508. Its totient is φ = 187306149600.

The previous prime is 187339294991. The next prime is 187339295063. The reversal of 187339295053 is 350592933781.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51371582409 + 135967712644 = 226653^2 + 368738^2 .

It is a cyclic number.

It is not a de Polignac number, because 187339295053 - 2²⁵ = 187305740621 is a prime.

It is a super-2 number, since 2×187339295053² (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 = 187339294985 and 187339295003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187339295063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16564248 + ... + 16575553.

It is an arithmetic number, because the mean of its divisors is an integer number (46843110127).

Almost surely, 2^187339295053 is an apocalyptic number.

It is an amenable number.

187339295053 is a deficient number, since it is larger than the sum of its proper divisors (33145455).

187339295053 is an equidigital number, since it uses as much as digits as its factorization.

187339295053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33145454.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 187339295053 in words is "one hundred eighty-seven billion, three hundred thirty-nine million, two hundred ninety-five thousand, fifty-three".