246230642561 has 4 divisors (see below), whose sum is σ = 246396010500. Its totient is φ = 246065274624.

The previous prime is 246230642533. The next prime is 246230642563. The reversal of 246230642561 is 165246032642.

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 162344526400 + 83886116161 = 402920^2 + 289631^2 .

It is a cyclic number.

It is not a de Polignac number, because 246230642561 - 2³⁴ = 229050773377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246230642563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82681736 + ... + 82684713.

It is an arithmetic number, because the mean of its divisors is an integer number (61599002625).

Almost surely, 2^246230642561 is an apocalyptic number.

It is an amenable number.

246230642561 is a deficient number, since it is larger than the sum of its proper divisors (165367939).

246230642561 is a wasteful number, since it uses less digits than its factorization.

246230642561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165367938.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 246230642561 in words is "two hundred forty-six billion, two hundred thirty million, six hundred forty-two thousand, five hundred sixty-one".