6461852264 has 96 divisors (see below), whose sum is σ = 14274225000. Its totient is φ = 2734244352.

The previous prime is 6461852251. The next prime is 6461852281. The reversal of 6461852264 is 4622581646.

It can be written as a sum of positive squares in 4 ways, for example, as 3380492164 + 3081360100 = 58142^2 + 55510^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18515162 + ... + 18515510.

Almost surely, 2^6461852264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6461852264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7137112500).

6461852264 is an abundant number, since it is smaller than the sum of its proper divisors (7812372736).

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

6461852264 is a wasteful number, since it uses less digits than its factorization.

6461852264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 824 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 6461852264 is about 80385.6471268348. The cubic root of 6461852264 is about 1862.5974678299.

The spelling of 6461852264 in words is "six billion, four hundred sixty-one million, eight hundred fifty-two thousand, two hundred sixty-four".