13391491000 has 64 divisors (see below), whose sum is σ = 31803950880. Its totient is φ = 5276620800.

The previous prime is 13391490953. The next prime is 13391491031. The reversal of 13391491000 is 19419331.

It is a super-3 number, since 3×13391491000³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32937 + ... + 166936.

Almost surely, 2^13391491000 is an apocalyptic number.

13391491000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13391491000 is an abundant number, since it is smaller than the sum of its proper divisors (18412459880).

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

13391491000 is a wasteful number, since it uses less digits than its factorization.

13391491000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199961 (or 199947 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 13391491000 in words is "thirteen billion, three hundred ninety-one million, four hundred ninety-one thousand".