5164505765 has 8 divisors (see below), whose sum is σ = 6314339448. Its totient is φ = 4053649600.

The previous prime is 5164505743. The next prime is 5164505809. The reversal of 5164505765 is 5675054615.

It can be written as a sum of positive squares in 4 ways, for example, as 174213601 + 4990292164 = 13199^2 + 70642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5164505765 - 2¹² = 5164501669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9744086 + ... + 9744615.

It is an arithmetic number, because the mean of its divisors is an integer number (789292431).

Almost surely, 2^5164505765 is an apocalyptic number.

It is an amenable number.

5164505765 is a deficient number, since it is larger than the sum of its proper divisors (1149833683).

5164505765 is a wasteful number, since it uses less digits than its factorization.

5164505765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488759.

The product of its (nonzero) digits is 630000, while the sum is 44.

The square root of 5164505765 is about 71864.4958585253. The cubic root of 5164505765 is about 1728.5273494652.

The spelling of 5164505765 in words is "five billion, one hundred sixty-four million, five hundred five thousand, seven hundred sixty-five".