3609121418 has 16 divisors (see below), whose sum is σ = 6211145664. Its totient is φ = 1540746240.

The previous prime is 3609121393. The next prime is 3609121457. The reversal of 3609121418 is 8141219063.

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 7 ways as a sum of consecutive naturals, for example, 497948 + ... + 505143.

It is an arithmetic number, because the mean of its divisors is an integer number (388196604).

Almost surely, 2^3609121418 is an apocalyptic number.

3609121418 is a deficient number, since it is larger than the sum of its proper divisors (2602024246).

3609121418 is a wasteful number, since it uses less digits than its factorization.

3609121418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003357.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3609121418 is about 60075.9637292653. The cubic root of 3609121418 is about 1533.9121858068.

The spelling of 3609121418 in words is "three billion, six hundred nine million, one hundred twenty-one thousand, four hundred eighteen".