185914147693 has 16 divisors (see below), whose sum is σ = 191070467136. Its totient is φ = 180831997440.

The previous prime is 185914147681. The next prime is 185914147697. The reversal of 185914147693 is 396741419581.

185914147693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185914147693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185914147697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3649405 + ... + 3699997.

It is an arithmetic number, because the mean of its divisors is an integer number (11941904196).

Almost surely, 2^185914147693 is an apocalyptic number.

It is an amenable number.

185914147693 is a deficient number, since it is larger than the sum of its proper divisors (5156319443).

185914147693 is a wasteful number, since it uses less digits than its factorization.

185914147693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51324.

The product of its digits is 6531840, while the sum is 58.

The spelling of 185914147693 in words is "one hundred eighty-five billion, nine hundred fourteen million, one hundred forty-seven thousand, six hundred ninety-three".