3018621064 has 32 divisors (see below), whose sum is σ = 5807987640. Its totient is φ = 1469952000.

The previous prime is 3018621059. The next prime is 3018621091. The reversal of 3018621064 is 4601268103.

3018621064 = 117² + 118² + ... + 2084².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1241998564 + 1776622500 = 35242^2 + 42150^2 .

It is a super-2 number, since 2×3018621064² = 18224146256048984192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189472 + ... + 204784.

Almost surely, 2^3018621064 is an apocalyptic number.

It is an amenable number.

3018621064 is a deficient number, since it is larger than the sum of its proper divisors (2789366576).

3018621064 is a wasteful number, since it uses less digits than its factorization.

3018621064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961 (or 15957 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 3018621064 is about 54941.9790688322. The cubic root of 3018621064 is about 1445.2274421585.

Adding to 3018621064 its reverse (4601268103), we get a palindrome (7619889167).

The spelling of 3018621064 in words is "three billion, eighteen million, six hundred twenty-one thousand, sixty-four".