5191295266 has 4 divisors (see below), whose sum is σ = 7786942902. Its totient is φ = 2595647632.

The previous prime is 5191295227. The next prime is 5191295297. The reversal of 5191295266 is 6625921915.

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

It can be written as a sum of positive squares in only one way, i.e., 5173781041 + 17514225 = 71929^2 + 4185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297823815 + ... + 1297823818.

Almost surely, 2^5191295266 is an apocalyptic number.

5191295266 is a deficient number, since it is larger than the sum of its proper divisors (2595647636).

5191295266 is a wasteful number, since it uses less digits than its factorization.

5191295266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595647635.

The product of its digits is 291600, while the sum is 46.

The square root of 5191295266 is about 72050.6437584009. The cubic root of 5191295266 is about 1731.5109552446.

The spelling of 5191295266 in words is "five billion, one hundred ninety-one million, two hundred ninety-five thousand, two hundred sixty-six".