2300661864 has 48 divisors (see below), whose sum is σ = 6382942020. Its totient is φ = 748181760.

The previous prime is 2300661851. The next prime is 2300661877. The reversal of 2300661864 is 4681660032.

2300661864 is a `hidden beast` number, since 2 + 30 + 0 + 6 + 618 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2300661851) and next prime (2300661877).

It can be written as a sum of positive squares in 2 ways, for example, as 1717439364 + 583222500 = 41442^2 + 24150^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386727 + ... + 392630.

Almost surely, 2^2300661864 is an apocalyptic number.

2300661864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2300661864 is an abundant number, since it is smaller than the sum of its proper divisors (4082280156).

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

2300661864 is a wasteful number, since it uses less digits than its factorization.

2300661864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779410 (or 779403 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2300661864 is about 47965.2151459784. The cubic root of 2300661864 is about 1320.1327277004.

The spelling of 2300661864 in words is "two billion, three hundred million, six hundred sixty-one thousand, eight hundred sixty-four".