12913949594 has 32 divisors (see below), whose sum is σ = 24176952576. Its totient is φ = 5036855040.

The previous prime is 12913949591. The next prime is 12913949611. The reversal of 12913949594 is 49594931921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12913949591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486767 + ... + 512610.

It is an arithmetic number, because the mean of its divisors is an integer number (755529768).

Almost surely, 2^12913949594 is an apocalyptic number.

12913949594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12913949594 is a deficient number, since it is larger than the sum of its proper divisors (11263002982).

12913949594 is a wasteful number, since it uses less digits than its factorization.

12913949594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999470.

The product of its digits is 3149280, while the sum is 56.

The spelling of 12913949594 in words is "twelve billion, nine hundred thirteen million, nine hundred forty-nine thousand, five hundred ninety-four".