5191088649 has 8 divisors (see below), whose sum is σ = 6921809952. Its totient is φ = 3460546560.

The previous prime is 5191088647. The next prime is 5191088659. The reversal of 5191088649 is 9468801915.

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

It is not a de Polignac number, because 5191088649 - 2¹ = 5191088647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5191088647) 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, 53769 + ... + 115209.

It is an arithmetic number, because the mean of its divisors is an integer number (865226244).

Almost surely, 2^5191088649 is an apocalyptic number.

It is an amenable number.

5191088649 is a deficient number, since it is larger than the sum of its proper divisors (1730721303).

5191088649 is a wasteful number, since it uses less digits than its factorization.

5191088649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89607.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 5191088649 is about 72049.2099123925. The cubic root of 5191088649 is about 1731.4879831777.

The spelling of 5191088649 in words is "five billion, one hundred ninety-one million, eighty-eight thousand, six hundred forty-nine".