13531926403 has 8 divisors (see below), whose sum is σ = 13568856336. Its totient is φ = 13495020000.

The previous prime is 13531926391. The next prime is 13531926461. The reversal of 13531926403 is 30462913531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531926403 - 2²¹ = 13529829251 is a prime.

It is a super-2 number, since 2×13531926403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531926493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313000 + ... + 2318842.

It is an arithmetic number, because the mean of its divisors is an integer number (1696107042).

Almost surely, 2^13531926403 is an apocalyptic number.

13531926403 is a deficient number, since it is larger than the sum of its proper divisors (36929933).

13531926403 is an equidigital number, since it uses as much as digits as its factorization.

13531926403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11765.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 13531926403 in words is "thirteen billion, five hundred thirty-one million, nine hundred twenty-six thousand, four hundred three".