5651326641 has 4 divisors (see below), whose sum is σ = 7535102192. Its totient is φ = 3767551092.

The previous prime is 5651326631. The next prime is 5651326661. The reversal of 5651326641 is 1466231565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5651326641 - 2⁹ = 5651326129 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 5651326641.

It is not an unprimeable number, because it can be changed into a prime (5651326631) 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, 941887771 + ... + 941887776.

It is an arithmetic number, because the mean of its divisors is an integer number (1883775548).

Almost surely, 2^5651326641 is an apocalyptic number.

It is an amenable number.

5651326641 is a deficient number, since it is larger than the sum of its proper divisors (1883775551).

5651326641 is a wasteful number, since it uses less digits than its factorization.

5651326641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883775550.

The product of its digits is 129600, while the sum is 39.

The square root of 5651326641 is about 75175.3060585722. The cubic root of 5651326641 is about 1781.2168846192.

The spelling of 5651326641 in words is "five billion, six hundred fifty-one million, three hundred twenty-six thousand, six hundred forty-one".