12969319454 has 64 divisors (see below), whose sum is σ = 24119327232. Its totient is φ = 5093193600.

The previous prime is 12969319427. The next prime is 12969319457. The reversal of 12969319454 is 45491396921.

It is a junction number, because it is equal to n+sod(n) for n = 12969319396 and 12969319405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969319457) 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, 27771329 + ... + 27771795.

It is an arithmetic number, because the mean of its divisors is an integer number (376864488).

Almost surely, 2^12969319454 is an apocalyptic number.

12969319454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12969319454 is a deficient number, since it is larger than the sum of its proper divisors (11150007778).

12969319454 is a wasteful number, since it uses less digits than its factorization.

12969319454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its digits is 2099520, while the sum is 53.

The spelling of 12969319454 in words is "twelve billion, nine hundred sixty-nine million, three hundred nineteen thousand, four hundred fifty-four".