5197686091 has 12 divisors (see below), whose sum is σ = 5630302440. Its totient is φ = 4796126400.

The previous prime is 5197686089. The next prime is 5197686133. The reversal of 5197686091 is 1906867915.

It is not a de Polignac number, because 5197686091 - 2¹ = 5197686089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5197686031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850575 + ... + 856663.

It is an arithmetic number, because the mean of its divisors is an integer number (469191870).

Almost surely, 2^5197686091 is an apocalyptic number.

5197686091 is a deficient number, since it is larger than the sum of its proper divisors (432616349).

5197686091 is a wasteful number, since it uses less digits than its factorization.

5197686091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166 (or 11153 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 5197686091 is about 72094.9796518454. The cubic root of 5197686091 is about 1732.2211983943.

The spelling of 5197686091 in words is "five billion, one hundred ninety-seven million, six hundred eighty-six thousand, ninety-one".