5164378465 has 8 divisors (see below), whose sum is σ = 6197949288. Its totient is φ = 4131039360.

The previous prime is 5164378447. The next prime is 5164378469. The reversal of 5164378465 is 5648734615.

It can be written as a sum of positive squares in 4 ways, for example, as 2323914849 + 2840463616 = 48207^2 + 53296^2 .

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

It is not a de Polignac number, because 5164378465 - 2¹³ = 5164370273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5164378469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 101725.

It is an arithmetic number, because the mean of its divisors is an integer number (774743661).

Almost surely, 2^5164378465 is an apocalyptic number.

It is an amenable number.

5164378465 is a deficient number, since it is larger than the sum of its proper divisors (1033570823).

5164378465 is a wasteful number, since it uses less digits than its factorization.

5164378465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115859.

The product of its digits is 2419200, while the sum is 49.

The square root of 5164378465 is about 71863.6101584105. The cubic root of 5164378465 is about 1728.5131471807.

The spelling of 5164378465 in words is "five billion, one hundred sixty-four million, three hundred seventy-eight thousand, four hundred sixty-five".