13387437390 has 16 divisors (see below), whose sum is σ = 32129849808. Its totient is φ = 3569983296.

The previous prime is 13387437353. The next prime is 13387437409. The reversal of 13387437390 is 9373478331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223123927 + ... + 223123986.

It is an arithmetic number, because the mean of its divisors is an integer number (2008115613).

Almost surely, 2^13387437390 is an apocalyptic number.

13387437390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13387437390 is an abundant number, since it is smaller than the sum of its proper divisors (18742412418).

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

13387437390 is a wasteful number, since it uses less digits than its factorization.

13387437390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446247923.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 13387437390 in words is "thirteen billion, three hundred eighty-seven million, four hundred thirty-seven thousand, three hundred ninety".