13099518458 has 8 divisors (see below), whose sum is σ = 21160760628. Its totient is φ = 6045931584.

The previous prime is 13099518449. The next prime is 13099518461. The reversal of 13099518458 is 85481599031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12691599649 + 407918809 = 112657^2 + 20197^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251913791 + ... + 251913842.

Almost surely, 2^13099518458 is an apocalyptic number.

13099518458 is a deficient number, since it is larger than the sum of its proper divisors (8061242170).

13099518458 is a wasteful number, since it uses less digits than its factorization.

13099518458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503827648.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 13099518458 in words is "thirteen billion, ninety-nine million, five hundred eighteen thousand, four hundred fifty-eight".