2640701713 has 12 divisors (see below), whose sum is σ = 2873585820. Its totient is φ = 2412329472.

The previous prime is 2640701711. The next prime is 2640701717. The reversal of 2640701713 is 3171070462.

2640701713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 173791489 + 2466910224 = 13183^2 + 49668^2 .

It is not a de Polignac number, because 2640701713 - 2¹ = 2640701711 is a prime.

It is a super-2 number, since 2×2640701713² = 13946611074082268738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640701711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111523 + ... + 133111.

It is an arithmetic number, because the mean of its divisors is an integer number (239465485).

Almost surely, 2^2640701713 is an apocalyptic number.

It is an amenable number.

2640701713 is a deficient number, since it is larger than the sum of its proper divisors (232884107).

2640701713 is an equidigital number, since it uses as much as digits as its factorization.

2640701713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21796 (or 21699 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2640701713 is about 51387.7583963340. The cubic root of 2640701713 is about 1382.2070880286.

The spelling of 2640701713 in words is "two billion, six hundred forty million, seven hundred one thousand, seven hundred thirteen".