7658464465 has 4 divisors (see below), whose sum is σ = 9190157364. Its totient is φ = 6126771568.

The previous prime is 7658464441. The next prime is 7658464469. The reversal of 7658464465 is 5644648567.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5000752656 + 2657711809 = 70716^2 + 51553^2 .

It is a cyclic number.

It is not a de Polignac number, because 7658464465 - 2¹¹ = 7658462417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7658464469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765846442 + ... + 765846451.

It is an arithmetic number, because the mean of its divisors is an integer number (2297539341).

Almost surely, 2^7658464465 is an apocalyptic number.

It is an amenable number.

7658464465 is a deficient number, since it is larger than the sum of its proper divisors (1531692899).

7658464465 is a wasteful number, since it uses less digits than its factorization.

7658464465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531692898.

The product of its digits is 19353600, while the sum is 55.

The square root of 7658464465 is about 87512.6531708415. The cubic root of 7658464465 is about 1971.1237942884.

The spelling of 7658464465 in words is "seven billion, six hundred fifty-eight million, four hundred sixty-four thousand, four hundred sixty-five".