3215149456 has 20 divisors (see below), whose sum is σ = 6286505500. Its totient is φ = 1592825472.

The previous prime is 3215149451. The next prime is 3215149471. The reversal of 3215149456 is 6549415123.

3215149456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2315149456 + 900000000 = 48116^2 + 30000^2 .

It is not an unprimeable number, because it can be changed into a prime (3215149451) 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, 920031 + ... + 923518.

It is an arithmetic number, because the mean of its divisors is an integer number (314325275).

Almost surely, 2^3215149456 is an apocalyptic number.

It is an amenable number.

3215149456 is a deficient number, since it is larger than the sum of its proper divisors (3071356044).

3215149456 is a wasteful number, since it uses less digits than its factorization.

3215149456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843666 (or 1843660 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 3215149456 is about 56702.2879256208. The cubic root of 3215149456 is about 1475.9344007195.

The spelling of 3215149456 in words is "three billion, two hundred fifteen million, one hundred forty-nine thousand, four hundred fifty-six".