2613656460 has 24 divisors (see below), whose sum is σ = 7318238256. Its totient is φ = 696975040.

The previous prime is 2613656459. The next prime is 2613656467. The reversal of 2613656460 is 646563162.

It is not an unprimeable number, because it can be changed into a prime (2613656467) 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 7 ways as a sum of consecutive naturals, for example, 21780411 + ... + 21780530.

It is an arithmetic number, because the mean of its divisors is an integer number (304926594).

Almost surely, 2^2613656460 is an apocalyptic number.

2613656460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2613656460 is an abundant number, since it is smaller than the sum of its proper divisors (4704581796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2613656460 is a wasteful number, since it uses less digits than its factorization.

2613656460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43560953 (or 43560951 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2613656460 is about 51123.9323604904. The cubic root of 2613656460 is about 1377.4721735524.

The spelling of 2613656460 in words is "two billion, six hundred thirteen million, six hundred fifty-six thousand, four hundred sixty".