3621159490 has 16 divisors (see below), whose sum is σ = 7019478648. Its totient is φ = 1337043456.

The previous prime is 3621159457. The next prime is 3621159497. The reversal of 3621159490 is 949511263.

It can be written as a sum of positive squares in 4 ways, for example, as 3183554929 + 437604561 = 56423^2 + 20919^2 .

It is a super-2 number, since 2×3621159490² = 26225592104034120200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3621159497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13927407 + ... + 13927666.

Almost surely, 2^3621159490 is an apocalyptic number.

3621159490 is a deficient number, since it is larger than the sum of its proper divisors (3398319158).

3621159490 is a wasteful number, since it uses less digits than its factorization.

3621159490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27855093.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3621159490 is about 60176.0707424471. The cubic root of 3621159490 is about 1535.6157262746.

The spelling of 3621159490 in words is "three billion, six hundred twenty-one million, one hundred fifty-nine thousand, four hundred ninety".