5663742631 has 4 divisors (see below), whose sum is σ = 5664056632. Its totient is φ = 5663428632.

The previous prime is 5663742599. The next prime is 5663742649. The reversal of 5663742631 is 1362473665.

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

It is a cyclic number.

It is not a de Polignac number, because 5663742631 - 2⁵ = 5663742599 is a prime.

It is a super-2 number, since 2×5663742631² = 64155961180413604322, 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 (5663742731) 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, 128181 + ... + 166606.

It is an arithmetic number, because the mean of its divisors is an integer number (1416014158).

Almost surely, 2^5663742631 is an apocalyptic number.

5663742631 is a deficient number, since it is larger than the sum of its proper divisors (314001).

5663742631 is a wasteful number, since it uses less digits than its factorization.

5663742631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314000.

The product of its digits is 544320, while the sum is 43.

The square root of 5663742631 is about 75257.8409934805. The cubic root of 5663742631 is about 1782.5203776553.

The spelling of 5663742631 in words is "five billion, six hundred sixty-three million, seven hundred forty-two thousand, six hundred thirty-one".