13098940403 has 4 divisors (see below), whose sum is σ = 13403566968. Its totient is φ = 12794313840.

The previous prime is 13098940399. The next prime is 13098940409. The reversal of 13098940403 is 30404989031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13098940403 - 2² = 13098940399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13098940409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152313218 + ... + 152313303.

It is an arithmetic number, because the mean of its divisors is an integer number (3350891742).

Almost surely, 2^13098940403 is an apocalyptic number.

13098940403 is a deficient number, since it is larger than the sum of its proper divisors (304626565).

13098940403 is an equidigital number, since it uses as much as digits as its factorization.

13098940403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304626564.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 13098940403 in words is "thirteen billion, ninety-eight million, nine hundred forty thousand, four hundred three".