2451143622164 has 12 divisors (see below), whose sum is σ = 4311275458644. Its totient is φ = 1219350633984.

The previous prime is 2451143622149. The next prime is 2451143622173. The reversal of 2451143622164 is 4612263411542.

It can be written as a sum of positive squares in 2 ways, for example, as 1619363141764 + 831780480400 = 1272542^2 + 912020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555293389 + ... + 1555294964.

It is an arithmetic number, because the mean of its divisors is an integer number (359272954887).

Almost surely, 2^{2451143622164} is an apocalyptic number.

It is an amenable number.

2451143622164 is a deficient number, since it is larger than the sum of its proper divisors (1860131836480).

2451143622164 is a wasteful number, since it uses less digits than its factorization.

2451143622164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110588554 (or 3110588552 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 2451143622164 in words is "two trillion, four hundred fifty-one billion, one hundred forty-three million, six hundred twenty-two thousand, one hundred sixty-four".