2670562865 has 4 divisors (see below), whose sum is σ = 3204675444. Its totient is φ = 2136450288.

The previous prime is 2670562837. The next prime is 2670562883. The reversal of 2670562865 is 5682650762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1334221729 + 1336341136 = 36527^2 + 36556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670562865 - 2²⁴ = 2653785649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 267056282 + ... + 267056291.

It is an arithmetic number, because the mean of its divisors is an integer number (801168861).

Almost surely, 2^2670562865 is an apocalyptic number.

It is an amenable number.

2670562865 is a deficient number, since it is larger than the sum of its proper divisors (534112579).

2670562865 is an equidigital number, since it uses as much as digits as its factorization.

2670562865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534112578.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 2670562865 is about 51677.4889579592. The cubic root of 2670562865 is about 1387.3975883073.

The spelling of 2670562865 in words is "two billion, six hundred seventy million, five hundred sixty-two thousand, eight hundred sixty-five".