5249771465 has 8 divisors (see below), whose sum is σ = 6360888768. Its totient is φ = 4159041840.

The previous prime is 5249771431. The next prime is 5249771473. The reversal of 5249771465 is 5641779425.

It is a happy number.

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

It is not a de Polignac number, because 5249771465 - 2⁸ = 5249771209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5096351 + ... + 5097380.

It is an arithmetic number, because the mean of its divisors is an integer number (795111096).

Almost surely, 2^5249771465 is an apocalyptic number.

It is an amenable number.

5249771465 is a deficient number, since it is larger than the sum of its proper divisors (1111117303).

5249771465 is a wasteful number, since it uses less digits than its factorization.

5249771465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193839.

The product of its digits is 2116800, while the sum is 50.

The square root of 5249771465 is about 72455.3066724584. The cubic root of 5249771465 is about 1737.9881032281.

The spelling of 5249771465 in words is "five billion, two hundred forty-nine million, seven hundred seventy-one thousand, four hundred sixty-five".