13281788990 has 32 divisors (see below), whose sum is σ = 24563818944. Its totient is φ = 5166927360.

The previous prime is 13281788981. The next prime is 13281788999. The reversal of 13281788990 is 9988718231.

It is an interprime number because it is at equal distance from previous prime (13281788981) and next prime (13281788999).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281788999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065695 + ... + 1078085.

It is an arithmetic number, because the mean of its divisors is an integer number (767619342).

Almost surely, 2^13281788990 is an apocalyptic number.

13281788990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13281788990 is a deficient number, since it is larger than the sum of its proper divisors (11282029954).

13281788990 is a wasteful number, since it uses less digits than its factorization.

13281788990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 13281788990 in words is "thirteen billion, two hundred eighty-one million, seven hundred eighty-eight thousand, nine hundred ninety".