2457630651 has 16 divisors (see below), whose sum is σ = 3836302848. Its totient is φ = 1370107200.

The previous prime is 2457630649. The next prime is 2457630691. The reversal of 2457630651 is 1560367542.

It is not a de Polignac number, because 2457630651 - 2¹ = 2457630649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2457630691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426335 + ... + 1428056.

It is an arithmetic number, because the mean of its divisors is an integer number (239768928).

Almost surely, 2^2457630651 is an apocalyptic number.

2457630651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2457630651 is a deficient number, since it is larger than the sum of its proper divisors (1378672197).

2457630651 is a wasteful number, since it uses less digits than its factorization.

2457630651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854442.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2457630651 is about 49574.4959732320. The cubic root of 2457630651 is about 1349.4978747144.

The spelling of 2457630651 in words is "two billion, four hundred fifty-seven million, six hundred thirty thousand, six hundred fifty-one".