5651626643 has 4 divisors (see below), whose sum is σ = 6086367168. Its totient is φ = 5216886120.

The previous prime is 5651626597. The next prime is 5651626649. The reversal of 5651626643 is 3466261565.

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 5651626643 - 2¹² = 5651622547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5651626594 and 5651626603.

It is not an unprimeable number, because it can be changed into a prime (5651626649) 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, 217370243 + ... + 217370268.

It is an arithmetic number, because the mean of its divisors is an integer number (1521591792).

Almost surely, 2^5651626643 is an apocalyptic number.

5651626643 is a deficient number, since it is larger than the sum of its proper divisors (434740525).

5651626643 is a wasteful number, since it uses less digits than its factorization.

5651626643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434740524.

The product of its digits is 777600, while the sum is 44.

The square root of 5651626643 is about 75177.3013814675. The cubic root of 5651626643 is about 1781.2484028335.

The spelling of 5651626643 in words is "five billion, six hundred fifty-one million, six hundred twenty-six thousand, six hundred forty-three".