18437149214 has 24 divisors (see below), whose sum is σ = 31446674280. Its totient is φ = 8091535760.

The previous prime is 18437149193. The next prime is 18437149229. The reversal of 18437149214 is 41294173481.

It is a super-2 number, since 2×18437149214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306544 + ... + 1320579.

It is an arithmetic number, because the mean of its divisors is an integer number (1310278095).

Almost surely, 2^18437149214 is an apocalyptic number.

18437149214 is a deficient number, since it is larger than the sum of its proper divisors (13009525066).

18437149214 is a wasteful number, since it uses less digits than its factorization.

18437149214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627176 (or 2627165 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The spelling of 18437149214 in words is "eighteen billion, four hundred thirty-seven million, one hundred forty-nine thousand, two hundred fourteen".