13436492490 has 32 divisors (see below), whose sum is σ = 35830647360. Its totient is φ = 3583064592.

The previous prime is 13436492473. The next prime is 13436492501. The reversal of 13436492490 is 9429463431.

13436492490 is a `hidden beast` number, since 1 + 343 + 64 + 9 + 249 + 0 = 666.

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

It is a Curzon 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, 24882124 + ... + 24882663.

It is an arithmetic number, because the mean of its divisors is an integer number (1119707730).

Almost surely, 2^13436492490 is an apocalyptic number.

13436492490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13436492490 is an abundant number, since it is smaller than the sum of its proper divisors (22394154870).

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

13436492490 is a wasteful number, since it uses less digits than its factorization.

13436492490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764803 (or 49764797 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 13436492490 in words is "thirteen billion, four hundred thirty-six million, four hundred ninety-two thousand, four hundred ninety".