13318259490 has 32 divisors (see below), whose sum is σ = 35515359360. Its totient is φ = 3551535792.

The previous prime is 13318259489. The next prime is 13318259497. The reversal of 13318259490 is 9495281331.

It is a happy number.

13318259490 is a `hidden beast` number, since 1 + 3 + 31 + 82 + 59 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13318259497) 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, 24663174 + ... + 24663713.

It is an arithmetic number, because the mean of its divisors is an integer number (1109854980).

Almost surely, 2^13318259490 is an apocalyptic number.

13318259490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13318259490 is an abundant number, since it is smaller than the sum of its proper divisors (22197099870).

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

13318259490 is a wasteful number, since it uses less digits than its factorization.

13318259490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49326903 (or 49326897 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 13318259490 in words is "thirteen billion, three hundred eighteen million, two hundred fifty-nine thousand, four hundred ninety".