13649294220 has 96 divisors (see below), whose sum is σ = 40488408576. Its totient is φ = 3423820800.

The previous prime is 13649294213. The next prime is 13649294261. The reversal of 13649294220 is 2249294631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3334375 + ... + 3338465.

It is an arithmetic number, because the mean of its divisors is an integer number (421754256).

Almost surely, 2^13649294220 is an apocalyptic number.

13649294220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13649294220 is an abundant number, since it is smaller than the sum of its proper divisors (26839114356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13649294220 is a wasteful number, since it uses less digits than its factorization.

13649294220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391 (or 7389 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 13649294220 in words is "thirteen billion, six hundred forty-nine million, two hundred ninety-four thousand, two hundred twenty".