5719745641 has 3 divisors (see below), whose sum is σ = 5719821271. Its totient is φ = 5719670012.

The previous prime is 5719745627. The next prime is 5719745653. The reversal of 5719745641 is 1465479175.

The square root of 5719745641 is 75629.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5718535641 + 1210000 = 75621^2 + 1100^2 .

It is not a de Polignac number, because 5719745641 - 2²⁵ = 5686191209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5719745621) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37815 + ... + 113443.

Almost surely, 2^5719745641 is an apocalyptic number.

5719745641 is the 75629-th square number.

5719745641 is the 37815-th centered octagonal number.

It is an amenable number.

5719745641 is a deficient number, since it is larger than the sum of its proper divisors (75630).

5719745641 is an frugal number, since it uses more digits than its factorization.

5719745641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151258 (or 75629 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The cubic root of 5719745641 is about 1788.3762978440.

Multiplying 5719745641 by its sum of digits (49), we get a square (280267536409 = 529403²).

The spelling of 5719745641 in words is "five billion, seven hundred nineteen million, seven hundred forty-five thousand, six hundred forty-one".