13088961650 has 48 divisors (see below), whose sum is σ = 24510875400. Its totient is φ = 5200143360.

The previous prime is 13088961629. The next prime is 13088961659. The reversal of 13088961650 is 5616988031.

It is a Cunningham number, because it is equal to 114407²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 1 + 13088961649 = 1^2 + 114407^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13088961595 and 13088961604.

It is not an unprimeable number, because it can be changed into a prime (13088961659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5015546 + ... + 5018154.

Almost surely, 2^13088961650 is an apocalyptic number.

13088961650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13088961650 is a deficient number, since it is larger than the sum of its proper divisors (11421913750).

13088961650 is a wasteful number, since it uses less digits than its factorization.

13088961650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 13088961650 in words is "thirteen billion, eighty-eight million, nine hundred sixty-one thousand, six hundred fifty".