5815765549 has 8 divisors (see below), whose sum is σ = 6347457792. Its totient is φ = 5284571040.

The previous prime is 5815765541. The next prime is 5815765573. The reversal of 5815765549 is 9455675185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5815765549 - 2³ = 5815765541 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 5815765549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5815765541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99784 + ... + 146929.

It is an arithmetic number, because the mean of its divisors is an integer number (793432224).

Almost surely, 2^5815765549 is an apocalyptic number.

It is an amenable number.

5815765549 is a deficient number, since it is larger than the sum of its proper divisors (531692243).

5815765549 is a wasteful number, since it uses less digits than its factorization.

5815765549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248867.

The product of its digits is 7560000, while the sum is 55.

The square root of 5815765549 is about 76261.1667167504. The cubic root of 5815765549 is about 1798.3282368101.

The spelling of 5815765549 in words is "five billion, eight hundred fifteen million, seven hundred sixty-five thousand, five hundred forty-nine".