2451321343264 has 24 divisors (see below), whose sum is σ = 4842510035580. Its totient is φ = 1221477524736.

The previous prime is 2451321343217. The next prime is 2451321343291. The reversal of 2451321343264 is 4623431231542.

It can be written as a sum of positive squares in 2 ways, for example, as 1797455038864 + 653866304400 = 1340692^2 + 808620^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130713819 + ... + 130732570.

Almost surely, 2^{2451321343264} is an apocalyptic number.

It is an amenable number.

2451321343264 is a deficient number, since it is larger than the sum of its proper divisors (2391188692316).

2451321343264 is a wasteful number, since it uses less digits than its factorization.

2451321343264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261446692 (or 261446684 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The spelling of 2451321343264 in words is "two trillion, four hundred fifty-one billion, three hundred twenty-one million, three hundred forty-three thousand, two hundred sixty-four".