18695953014 has 32 divisors (see below), whose sum is σ = 40557083616. Its totient is φ = 5722337280.

The previous prime is 18695952991. The next prime is 18695953019. The reversal of 18695953014 is 41035959681.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18695953019) 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, 2231107 + ... + 2239470.

It is an arithmetic number, because the mean of its divisors is an integer number (1267408863).

Almost surely, 2^18695953014 is an apocalyptic number.

18695953014 is an abundant number, since it is smaller than the sum of its proper divisors (21861130602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18695953014 is a wasteful number, since it uses less digits than its factorization.

18695953014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470640.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 18695953014 in words is "eighteen billion, six hundred ninety-five million, nine hundred fifty-three thousand, fourteen".