13391816390 has 16 divisors (see below), whose sum is σ = 24148095408. Its totient is φ = 5347209696.

The previous prime is 13391816381. The next prime is 13391816461. The reversal of 13391816390 is 9361819331.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1183697 + ... + 1194956.

It is an arithmetic number, because the mean of its divisors is an integer number (1509255963).

Almost surely, 2^13391816390 is an apocalyptic number.

13391816390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13391816390 is a deficient number, since it is larger than the sum of its proper divisors (10756279018).

13391816390 is a wasteful number, since it uses less digits than its factorization.

13391816390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379223.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 13391816390 in words is "thirteen billion, three hundred ninety-one million, eight hundred sixteen thousand, three hundred ninety".