186770745213 has 32 divisors (see below), whose sum is σ = 268952893440. Its totient is φ = 114606498240.

The previous prime is 186770745193. The next prime is 186770745233. The reversal of 186770745213 is 312547077681.

It is an interprime number because it is at equal distance from previous prime (186770745193) and next prime (186770745233).

It is not a de Polignac number, because 186770745213 - 2²² = 186766550909 is a prime.

It is a super-2 number, since 2×186770745213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186770745233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53194128 + ... + 53197638.

It is an arithmetic number, because the mean of its divisors is an integer number (8404777920).

Almost surely, 2^186770745213 is an apocalyptic number.

186770745213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

186770745213 is a deficient number, since it is larger than the sum of its proper divisors (82182148227).

186770745213 is a wasteful number, since it uses less digits than its factorization.

186770745213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 186770745213 in words is "one hundred eighty-six billion, seven hundred seventy million, seven hundred forty-five thousand, two hundred thirteen".