5651643263 has 16 divisors (see below), whose sum is σ = 6809247744. Its totient is φ = 4588246080.

The previous prime is 5651643259. The next prime is 5651643307. The reversal of 5651643263 is 3623461565.

It is a cyclic number.

It is not a de Polignac number, because 5651643263 - 2² = 5651643259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5651643263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651643203) 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, 266870 + ... + 287267.

It is an arithmetic number, because the mean of its divisors is an integer number (425577984).

Almost surely, 2^5651643263 is an apocalyptic number.

5651643263 is a deficient number, since it is larger than the sum of its proper divisors (1157604481).

5651643263 is a wasteful number, since it uses less digits than its factorization.

5651643263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554222.

The product of its digits is 388800, while the sum is 41.

The square root of 5651643263 is about 75177.4119200708. The cubic root of 5651643263 is about 1781.2501488983.

The spelling of 5651643263 in words is "five billion, six hundred fifty-one million, six hundred forty-three thousand, two hundred sixty-three".