13099279249 has 24 divisors (see below), whose sum is σ = 15192152640. Its totient is φ = 11063830656.

The previous prime is 13099279223. The next prime is 13099279267. The reversal of 13099279249 is 94297299031.

It is not a de Polignac number, because 13099279249 - 2¹³ = 13099271057 is a prime.

It is a super-2 number, since 2×13099279249² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13099279249.

It is not an unprimeable number, because it can be changed into a prime (13099279279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23517279 + ... + 23517835.

It is an arithmetic number, because the mean of its divisors is an integer number (633006360).

Almost surely, 2^13099279249 is an apocalyptic number.

It is an amenable number.

13099279249 is a deficient number, since it is larger than the sum of its proper divisors (2092873391).

13099279249 is an equidigital number, since it uses as much as digits as its factorization.

13099279249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 13099279249 in words is "thirteen billion, ninety-nine million, two hundred seventy-nine thousand, two hundred forty-nine".