6431477974 has 8 divisors (see below), whose sum is σ = 9779370840. Its totient is φ = 3171687696.

The previous prime is 6431477939. The next prime is 6431478013. The reversal of 6431477974 is 4797741346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 22025464 + ... + 22025755.

It is an arithmetic number, because the mean of its divisors is an integer number (1222421355).

Almost surely, 2^6431477974 is an apocalyptic number.

6431477974 is a deficient number, since it is larger than the sum of its proper divisors (3347892866).

6431477974 is a wasteful number, since it uses less digits than its factorization.

6431477974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44051294.

The product of its digits is 3556224, while the sum is 52.

The square root of 6431477974 is about 80196.4960207115. The cubic root of 6431477974 is about 1859.6744693723.

The spelling of 6431477974 in words is "six billion, four hundred thirty-one million, four hundred seventy-seven thousand, nine hundred seventy-four".