2641307264 has 16 divisors (see below), whose sum is σ = 5261979570. Its totient is φ = 1320653568.

The previous prime is 2641307261. The next prime is 2641307267. The reversal of 2641307264 is 4627031462.

It is an interprime number because it is at equal distance from previous prime (2641307261) and next prime (2641307267).

It can be written as a sum of positive squares in only one way, i.e., 2209000000 + 432307264 = 47000^2 + 20792^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2641307261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10317479 + ... + 10317734.

Almost surely, 2^2641307264 is an apocalyptic number.

It is an amenable number.

2641307264 is a deficient number, since it is larger than the sum of its proper divisors (2620672306).

2641307264 is an equidigital number, since it uses as much as digits as its factorization.

2641307264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635227 (or 20635215 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2641307264 is about 51393.6500357778. The cubic root of 2641307264 is about 1382.3127332958.

The spelling of 2641307264 in words is "two billion, six hundred forty-one million, three hundred seven thousand, two hundred sixty-four".