6481613952 has 128 divisors (see below), whose sum is σ = 20868955200. Its totient is φ = 1964113920.

The previous prime is 6481613933. The next prime is 6481613993. The reversal of 6481613952 is 2593161846.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×6481613952² = 84022638845522116608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6481613898 and 6481613907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47233 + ... + 123264.

Almost surely, 2^6481613952 is an apocalyptic number.

It is an amenable number.

6481613952 is an abundant number, since it is smaller than the sum of its proper divisors (14387341248).

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

6481613952 is a wasteful number, since it uses less digits than its factorization.

6481613952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170531 (or 170513 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 6481613952 is about 80508.4713058197. The cubic root of 6481613952 is about 1864.4942723323.

The spelling of 6481613952 in words is "six billion, four hundred eighty-one million, six hundred thirteen thousand, nine hundred fifty-two".