2159000618 has 8 divisors (see below), whose sum is σ = 3254940612. Its totient is φ = 1074020416.

The previous prime is 2159000617. The next prime is 2159000621. The reversal of 2159000618 is 8160009512.

It can be written as a sum of positive squares in 2 ways, for example, as 1369222009 + 789778609 = 37003^2 + 28103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2159000618² = 9322567337048763848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2159000617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739455 + ... + 2740242.

Almost surely, 2^2159000618 is an apocalyptic number.

2159000618 is a deficient number, since it is larger than the sum of its proper divisors (1095939994).

2159000618 is a wasteful number, since it uses less digits than its factorization.

2159000618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479896.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 2159000618 is about 46465.0472721163. The cubic root of 2159000618 is about 1292.4614218526.

The spelling of 2159000618 in words is "two billion, one hundred fifty-nine million, six hundred eighteen", and thus it is an aban number.