13217810433990 has 32 divisors (see below), whose sum is σ = 31964903410176. Its totient is φ = 3497842963680.

The previous prime is 13217810433977. The next prime is 13217810434001. The reversal of 13217810433990 is 9933401871231.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1681651342 + ... + 1681659201.

It is an arithmetic number, because the mean of its divisors is an integer number (998903231568).

Almost surely, 2^{13217810433990} is an apocalyptic number.

13217810433990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13217810433990 is an abundant number, since it is smaller than the sum of its proper divisors (18747092976186).

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

13217810433990 is a wasteful number, since it uses less digits than its factorization.

13217810433990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363310684.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 13217810433990 in words is "thirteen trillion, two hundred seventeen billion, eight hundred ten million, four hundred thirty-three thousand, nine hundred ninety".