2455723749664 has 24 divisors (see below), whose sum is σ = 4835518653420. Its totient is φ = 1227655520256.

The previous prime is 2455723749533. The next prime is 2455723749667. The reversal of 2455723749664 is 4669473275542.

It can be written as a sum of positive squares in 2 ways, for example, as 1444275168400 + 1011448581264 = 1201780^2 + 1005708^2 .

It is a super-2 number, since 2×2455723749664² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2455723749596 and 2455723749605.

It is not an unprimeable number, because it can be changed into a prime (2455723749667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255109 + ... + 6636100.

Almost surely, 2^{2455723749664} is an apocalyptic number.

It is an amenable number.

2455723749664 is a deficient number, since it is larger than the sum of its proper divisors (2379794903756).

2455723749664 is a wasteful number, since it uses less digits than its factorization.

2455723749664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897172 (or 12897164 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 64.

The spelling of 2455723749664 in words is "two trillion, four hundred fifty-five billion, seven hundred twenty-three million, seven hundred forty-nine thousand, six hundred sixty-four".