1547948464 has 20 divisors (see below), whose sum is σ = 3175571304. Its totient is φ = 728446208.

The previous prime is 1547948417. The next prime is 1547948509. The reversal of 1547948464 is 4648497451.

It is a happy number.

It is a super-2 number, since 2×1547948464² = 4792288894399918592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845222 + ... + 2845765.

Almost surely, 2^1547948464 is an apocalyptic number.

It is an amenable number.

1547948464 is an abundant number, since it is smaller than the sum of its proper divisors (1627622840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1547948464 is a wasteful number, since it uses less digits than its factorization.

1547948464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691012 (or 5691006 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 1547948464 is about 39343.9762098342. The cubic root of 1547948464 is about 1156.7837144361.

The spelling of 1547948464 in words is "one billion, five hundred forty-seven million, nine hundred forty-eight thousand, four hundred sixty-four".