4640770465 has 8 divisors (see below), whose sum is σ = 5569685928. Its totient is φ = 3712108800.

The previous prime is 4640770447. The next prime is 4640770481. The reversal of 4640770465 is 5640770464.

It can be written as a sum of positive squares in 4 ways, for example, as 2067339024 + 2573431441 = 45468^2 + 50729^2 .

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

It is not a de Polignac number, because 4640770465 - 2²⁷ = 4506552737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20586 + ... + 98515.

It is an arithmetic number, because the mean of its divisors is an integer number (696210741).

Almost surely, 2^4640770465 is an apocalyptic number.

It is an amenable number.

4640770465 is a deficient number, since it is larger than the sum of its proper divisors (928915463).

4640770465 is a wasteful number, since it uses less digits than its factorization.

4640770465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126899.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 4640770465 is about 68123.2006367875. The cubic root of 4640770465 is about 1668.0024959611.

Subtracting 4640770465 from its reverse (5640770464), we obtain a palindrome (999999999).

The spelling of 4640770465 in words is "four billion, six hundred forty million, seven hundred seventy thousand, four hundred sixty-five".