6493504631 has 4 divisors (see below), whose sum is σ = 6631664352. Its totient is φ = 6355344912.

The previous prime is 6493504597. The next prime is 6493504639. The reversal of 6493504631 is 1364053946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1364053946 = 2 ⋅682026973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6493504631 is a prime.

It is a super-2 number, since 2×6493504631² = 84331204785636892322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493504639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69079790 + ... + 69079883.

It is an arithmetic number, because the mean of its divisors is an integer number (1657916088).

Almost surely, 2^6493504631 is an apocalyptic number.

6493504631 is a deficient number, since it is larger than the sum of its proper divisors (138159721).

6493504631 is a wasteful number, since it uses less digits than its factorization.

6493504631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138159720.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 6493504631 is about 80582.2848459883. The cubic root of 6493504631 is about 1865.6337292462.

The spelling of 6493504631 in words is "six billion, four hundred ninety-three million, five hundred four thousand, six hundred thirty-one".