12800577434 has 16 divisors (see below), whose sum is σ = 19236930408. Its totient is φ = 6388280832.

The previous prime is 12800577407. The next prime is 12800577463. The reversal of 12800577434 is 43477500821.

It can be written as a sum of positive squares in 4 ways, for example, as 8827166209 + 3973411225 = 93953^2 + 63035^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12800577391 and 12800577400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949314 + ... + 2953650.

Almost surely, 2^12800577434 is an apocalyptic number.

12800577434 is a deficient number, since it is larger than the sum of its proper divisors (6436352974).

12800577434 is a wasteful number, since it uses less digits than its factorization.

12800577434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 12800577434 in words is "twelve billion, eight hundred million, five hundred seventy-seven thousand, four hundred thirty-four".