18914536703 has 16 divisors (see below), whose sum is σ = 20124801216. Its totient is φ = 17737125120.

The previous prime is 18914536691. The next prime is 18914536763. The reversal of 18914536703 is 30763541981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18914536703 - 2¹⁴ = 18914520319 is a prime.

It is a super-2 number, since 2×18914536703² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914536763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800101 + ... + 1810577.

It is an arithmetic number, because the mean of its divisors is an integer number (1257800076).

Almost surely, 2^18914536703 is an apocalyptic number.

18914536703 is a deficient number, since it is larger than the sum of its proper divisors (1210264513).

18914536703 is a wasteful number, since it uses less digits than its factorization.

18914536703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 18914536703 in words is "eighteen billion, nine hundred fourteen million, five hundred thirty-six thousand, seven hundred three".