18914536701 has 6 divisors (see below), whose sum is σ = 27320997470. Its totient is φ = 12609691128.

The previous prime is 18914536691. The next prime is 18914536763. The reversal of 18914536701 is 10763541981.

It can be written as a sum of positive squares in only one way, i.e., 17089025625 + 1825511076 = 130725^2 + 42726^2 .

It is not a de Polignac number, because 18914536701 - 2¹⁰ = 18914535677 is a prime.

It is a super-2 number, since 2×18914536701² (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 (18914537701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050807586 + ... + 1050807603.

Almost surely, 2^18914536701 is an apocalyptic number.

It is an amenable number.

18914536701 is a deficient number, since it is larger than the sum of its proper divisors (8406460769).

18914536701 is a wasteful number, since it uses less digits than its factorization.

18914536701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101615195 (or 2101615192 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 18914536701 in words is "eighteen billion, nine hundred fourteen million, five hundred thirty-six thousand, seven hundred one".