2492655380721 has 24 divisors (see below), whose sum is σ = 4134548003040. Its totient is φ = 1431189691200.

The previous prime is 2492655380711. The next prime is 2492655380777. The reversal of 2492655380721 is 1270835562942.

2492655380721 is a `hidden beast` number, since 2 + 4 + 9 + 2 + 6 + 553 + 80 + 7 + 2 + 1 = 666.

2492655380721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2492655380721 - 2³⁸ = 2217777473777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2492655380701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662585940 + ... + 662589701.

It is an arithmetic number, because the mean of its divisors is an integer number (172272833460).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2492655380721 = 4985310761442, but 3⋅2492655380721 = 7477966142163 is not.

Almost surely, 2^{2492655380721} is an apocalyptic number.

It is an amenable number.

2492655380721 is a deficient number, since it is larger than the sum of its proper divisors (1641892622319).

2492655380721 is a wasteful number, since it uses less digits than its factorization.

2492655380721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325175677 (or 1325175674 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 2492655380721 in words is "two trillion, four hundred ninety-two billion, six hundred fifty-five million, three hundred eighty thousand, seven hundred twenty-one".