3149634218 has 16 divisors (see below), whose sum is σ = 5078920320. Its totient is φ = 1460187936.

The previous prime is 3149634209. The next prime is 3149634223. The reversal of 3149634218 is 8124369413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879971 + ... + 883542.

It is an arithmetic number, because the mean of its divisors is an integer number (317432520).

Almost surely, 2^3149634218 is an apocalyptic number.

3149634218 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3149634218 is a deficient number, since it is larger than the sum of its proper divisors (1929286102).

3149634218 is a wasteful number, since it uses less digits than its factorization.

3149634218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763581.

The product of its digits is 124416, while the sum is 41.

The square root of 3149634218 is about 56121.6020619512. The cubic root of 3149634218 is about 1465.8404660667.

The spelling of 3149634218 in words is "three billion, one hundred forty-nine million, six hundred thirty-four thousand, two hundred eighteen".