12968593545 has 32 divisors (see below), whose sum is σ = 22105036800. Its totient is φ = 6473594304.

The previous prime is 12968593523. The next prime is 12968593559. The reversal of 12968593545 is 54539586921.

It is a happy number.

It is not a de Polignac number, because 12968593545 - 2¹¹ = 12968591497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250465 + ... + 297774.

It is an arithmetic number, because the mean of its divisors is an integer number (690782400).

Almost surely, 2^12968593545 is an apocalyptic number.

12968593545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12968593545 is a deficient number, since it is larger than the sum of its proper divisors (9136443255).

12968593545 is a wasteful number, since it uses less digits than its factorization.

12968593545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548349.

The product of its digits is 11664000, while the sum is 57.

The spelling of 12968593545 in words is "twelve billion, nine hundred sixty-eight million, five hundred ninety-three thousand, five hundred forty-five".