5719636621 has 16 divisors (see below), whose sum is σ = 6272043840. Its totient is φ = 5191648000.

The previous prime is 5719636609. The next prime is 5719636631. The reversal of 5719636621 is 1266369175.

It is a cyclic number.

It is not a de Polignac number, because 5719636621 - 2²¹ = 5717539469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5719636631) 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, 460746 + ... + 472996.

It is an arithmetic number, because the mean of its divisors is an integer number (392002740).

Almost surely, 2^5719636621 is an apocalyptic number.

It is an amenable number.

5719636621 is a deficient number, since it is larger than the sum of its proper divisors (552407219).

5719636621 is a wasteful number, since it uses less digits than its factorization.

5719636621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244.

The product of its digits is 408240, while the sum is 46.

The square root of 5719636621 is about 75628.2792412997. The cubic root of 5719636621 is about 1788.3649354493.

The spelling of 5719636621 in words is "five billion, seven hundred nineteen million, six hundred thirty-six thousand, six hundred twenty-one".