245316266065 has 8 divisors (see below), whose sum is σ = 317024097768. Its totient is φ = 181156627200.

The previous prime is 245316266051. The next prime is 245316266077. The reversal of 245316266065 is 560662613542.

It can be written as a sum of positive squares in 4 ways, for example, as 8241734656 + 237074531409 = 90784^2 + 486903^2 .

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

It is not a de Polignac number, because 245316266065 - 2²³ = 245307877457 is a prime.

It is a Duffinian 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, 1887048136 + ... + 1887048265.

It is an arithmetic number, because the mean of its divisors is an integer number (39628012221).

Almost surely, 2^245316266065 is an apocalyptic number.

It is an amenable number.

245316266065 is a deficient number, since it is larger than the sum of its proper divisors (71707831703).

245316266065 is a wasteful number, since it uses less digits than its factorization.

245316266065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774096419.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 245316266065 in words is "two hundred forty-five billion, three hundred sixteen million, two hundred sixty-six thousand, sixty-five".