2672243618 has 18 divisors (see below), whose sum is σ = 4407215547. Its totient is φ = 1214290660.

The previous prime is 2672243603. The next prime is 2672243633. The reversal of 2672243618 is 8163422762.

It is an interprime number because it is at equal distance from previous prime (2672243603) and next prime (2672243633).

It can be written as a sum of positive squares in only one way, i.e., 1336121809 + 1336121809 = 36553^2 + 36553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36553.

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 8 ways as a sum of consecutive naturals, for example, 802505 + ... + 805827.

Almost surely, 2^2672243618 is an apocalyptic number.

2672243618 is a deficient number, since it is larger than the sum of its proper divisors (1734971929).

2672243618 is an frugal number, since it uses more digits than its factorization.

2672243618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670 (or 3336 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 2672243618 is about 51693.7483454237. The cubic root of 2672243618 is about 1387.6885860919.

The spelling of 2672243618 in words is "two billion, six hundred seventy-two million, two hundred forty-three thousand, six hundred eighteen".