5177647493 has 2 divisors, whose sum is σ = 5177647494. Its totient is φ = 5177647492.

The previous prime is 5177647441. The next prime is 5177647513. The reversal of 5177647493 is 3947467715.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5049097249 + 128550244 = 71057^2 + 11338^2 .

It is a cyclic number.

It is not a de Polignac number, because 5177647493 - 2¹⁸ = 5177385349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5177646493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588823746 + 2588823747.

It is an arithmetic number, because the mean of its divisors is an integer number (2588823747).

Almost surely, 2^5177647493 is an apocalyptic number.

It is an amenable number.

5177647493 is a deficient number, since it is larger than the sum of its proper divisors (1).

5177647493 is an equidigital number, since it uses as much as digits as its factorization.

5177647493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 53.

The square root of 5177647493 is about 71955.8718451802. The cubic root of 5177647493 is about 1729.9922586442.

The spelling of 5177647493 in words is "five billion, one hundred seventy-seven million, six hundred forty-seven thousand, four hundred ninety-three".