5164415491 has 2 divisors, whose sum is σ = 5164415492. Its totient is φ = 5164415490.

The previous prime is 5164415471. The next prime is 5164415539. The reversal of 5164415491 is 1945144615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5164415491 - 2¹³ = 5164407299 is a prime.

It is not a weakly prime, because it can be changed into another prime (5164415471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582207745 + 2582207746.

It is an arithmetic number, because the mean of its divisors is an integer number (2582207746).

Almost surely, 2^5164415491 is an apocalyptic number.

5164415491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164415491 is an equidigital number, since it uses as much as digits as its factorization.

5164415491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 5164415491 is about 71863.8677709459. The cubic root of 5164415491 is about 1728.5172780279.

The spelling of 5164415491 in words is "five billion, one hundred sixty-four million, four hundred fifteen thousand, four hundred ninety-one".