13790109898 has 8 divisors (see below), whose sum is σ = 20688699780. Its totient is φ = 6893876640.

The previous prime is 13790109869. The next prime is 13790109917. The reversal of 13790109898 is 89890109731.

13790109898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13785812569 + 4297329 = 117413^2 + 2073^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574453 + ... + 597976.

Almost surely, 2^13790109898 is an apocalyptic number.

13790109898 is a deficient number, since it is larger than the sum of its proper divisors (6898589882).

13790109898 is a wasteful number, since it uses less digits than its factorization.

13790109898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178312.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 13790109898 in words is "thirteen billion, seven hundred ninety million, one hundred nine thousand, eight hundred ninety-eight".