505064296961 has 16 divisors (see below), whose sum is σ = 619060233600. Its totient is φ = 402389140608.

The previous prime is 505064296943. The next prime is 505064296969. The reversal of 505064296961 is 169692460505.

It is not a de Polignac number, because 505064296961 - 2¹⁰ = 505064295937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505064296969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35818196 + ... + 35832293.

It is an arithmetic number, because the mean of its divisors is an integer number (38691264600).

Almost surely, 2^505064296961 is an apocalyptic number.

It is an amenable number.

505064296961 is a deficient number, since it is larger than the sum of its proper divisors (113995936639).

505064296961 is a wasteful number, since it uses less digits than its factorization.

505064296961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71650568.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 505064296961 in words is "five hundred five billion, sixty-four million, two hundred ninety-six thousand, nine hundred sixty-one".