13661914730 has 8 divisors (see below), whose sum is σ = 24591446532. Its totient is φ = 5464765888.

The previous prime is 13661914709. The next prime is 13661914751. The reversal of 13661914730 is 3741916631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13661914709) and next prime (13661914751).

It can be written as a sum of positive squares in 2 ways, for example, as 12979817041 + 682097689 = 113929^2 + 26117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683095727 + ... + 683095746.

Almost surely, 2^13661914730 is an apocalyptic number.

13661914730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13661914730 is a deficient number, since it is larger than the sum of its proper divisors (10929531802).

13661914730 is a wasteful number, since it uses less digits than its factorization.

13661914730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366191480.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 13661914730 in words is "thirteen billion, six hundred sixty-one million, nine hundred fourteen thousand, seven hundred thirty".