6461476836 has 96 divisors (see below), whose sum is σ = 15815036160. Its totient is φ = 2051481600.

The previous prime is 6461476831. The next prime is 6461476849. The reversal of 6461476836 is 6386741646.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6461476831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3806740 + ... + 3808436.

It is an arithmetic number, because the mean of its divisors is an integer number (164739960).

Almost surely, 2^6461476836 is an apocalyptic number.

It is an amenable number.

6461476836 is an abundant number, since it is smaller than the sum of its proper divisors (9353559324).

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

6461476836 is a wasteful number, since it uses less digits than its factorization.

6461476836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 6461476836 is about 80383.3119248019. The cubic root of 6461476836 is about 1862.5613953667.

The spelling of 6461476836 in words is "six billion, four hundred sixty-one million, four hundred seventy-six thousand, eight hundred thirty-six".