13098777813 has 32 divisors (see below), whose sum is σ = 21195676800. Its totient is φ = 7928928000.

The previous prime is 13098777773. The next prime is 13098777871. The reversal of 13098777813 is 31877789031.

It is a happy number.

It is not a de Polignac number, because 13098777813 - 2⁶ = 13098777749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13098777813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13098777893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219613 + ... + 272813.

It is an arithmetic number, because the mean of its divisors is an integer number (662364900).

Almost surely, 2^13098777813 is an apocalyptic number.

It is an amenable number.

13098777813 is a deficient number, since it is larger than the sum of its proper divisors (8096898987).

13098777813 is a wasteful number, since it uses less digits than its factorization.

13098777813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54050 (or 54044 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 13098777813 in words is "thirteen billion, ninety-eight million, seven hundred seventy-seven thousand, eight hundred thirteen".