6634472494 has 32 divisors (see below), whose sum is σ = 10999628640. Its totient is φ = 2981809152.

The previous prime is 6634472491. The next prime is 6634472527. The reversal of 6634472494 is 4942744366.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634472491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367962 + ... + 385570.

It is an arithmetic number, because the mean of its divisors is an integer number (343738395).

Almost surely, 2^6634472494 is an apocalyptic number.

6634472494 is a deficient number, since it is larger than the sum of its proper divisors (4365156146).

6634472494 is a wasteful number, since it uses less digits than its factorization.

6634472494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18004.

The product of its digits is 3483648, while the sum is 49.

The square root of 6634472494 is about 81452.2712636057. The cubic root of 6634472494 is about 1879.0375802429.

The spelling of 6634472494 in words is "six billion, six hundred thirty-four million, four hundred seventy-two thousand, four hundred ninety-four".