5167764391 has 2 divisors, whose sum is σ = 5167764392. Its totient is φ = 5167764390.

The previous prime is 5167764383. The next prime is 5167764401. The reversal of 5167764391 is 1934677615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5167764391 - 2³ = 5167764383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5167764491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583882195 + 2583882196.

It is an arithmetic number, because the mean of its divisors is an integer number (2583882196).

Almost surely, 2^5167764391 is an apocalyptic number.

5167764391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5167764391 is an equidigital number, since it uses as much as digits as its factorization.

5167764391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 5167764391 is about 71887.1642993379. The cubic root of 5167764391 is about 1728.8908201869.

The spelling of 5167764391 in words is "five billion, one hundred sixty-seven million, seven hundred sixty-four thousand, three hundred ninety-one".