6381684574 has 4 divisors (see below), whose sum is σ = 9572526864. Its totient is φ = 3190842286.

The previous prime is 6381684571. The next prime is 6381684577. The reversal of 6381684574 is 4754861836.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6381684571) and next prime (6381684577).

It is a super-2 number, since 2×6381684574² = 81451796004059122952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381684571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595421142 + ... + 1595421145.

It is an arithmetic number, because the mean of its divisors is an integer number (2393131716).

Almost surely, 2^6381684574 is an apocalyptic number.

6381684574 is a deficient number, since it is larger than the sum of its proper divisors (3190842290).

6381684574 is a wasteful number, since it uses less digits than its factorization.

6381684574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190842289.

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

The square root of 6381684574 is about 79885.4465719508. The cubic root of 6381684574 is about 1854.8627438202.

The spelling of 6381684574 in words is "six billion, three hundred eighty-one million, six hundred eighty-four thousand, five hundred seventy-four".