13169923494 has 64 divisors (see below), whose sum is σ = 34325254656. Its totient is φ = 3269067264.

The previous prime is 13169923493. The next prime is 13169923553. The reversal of 13169923494 is 49432996131.

13169923494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13169923493) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 700152 + ... + 718715.

It is an arithmetic number, because the mean of its divisors is an integer number (536332104).

Almost surely, 2^13169923494 is an apocalyptic number.

13169923494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13169923494 is an abundant number, since it is smaller than the sum of its proper divisors (21155331162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13169923494 is a wasteful number, since it uses less digits than its factorization.

13169923494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418909.

The product of its digits is 1259712, while the sum is 51.

The spelling of 13169923494 in words is "thirteen billion, one hundred sixty-nine million, nine hundred twenty-three thousand, four hundred ninety-four".