5641131745 has 4 divisors (see below), whose sum is σ = 6769358100. Its totient is φ = 4512905392.

The previous prime is 5641131737. The next prime is 5641131757. The reversal of 5641131745 is 5471311465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3860882496 + 1780249249 = 62136^2 + 42193^2 .

It is a cyclic number.

It is not a de Polignac number, because 5641131745 - 2³ = 5641131737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564113170 + ... + 564113179.

It is an arithmetic number, because the mean of its divisors is an integer number (1692339525).

Almost surely, 2^5641131745 is an apocalyptic number.

It is an amenable number.

5641131745 is a deficient number, since it is larger than the sum of its proper divisors (1128226355).

5641131745 is a wasteful number, since it uses less digits than its factorization.

5641131745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128226354.

The product of its digits is 50400, while the sum is 37.

The square root of 5641131745 is about 75107.4679709015. The cubic root of 5641131745 is about 1780.1451450257.

The spelling of 5641131745 in words is "five billion, six hundred forty-one million, one hundred thirty-one thousand, seven hundred forty-five".