245727820823 has 8 divisors (see below), whose sum is σ = 245949897408. Its totient is φ = 245505802464.

The previous prime is 245727820813. The next prime is 245727820843. The reversal of 245727820823 is 328028727542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245727820823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245727820813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14712065 + ... + 14728757.

It is an arithmetic number, because the mean of its divisors is an integer number (30743737176).

Almost surely, 2^245727820823 is an apocalyptic number.

245727820823 is a deficient number, since it is larger than the sum of its proper divisors (222076585).

245727820823 is a wasteful number, since it uses less digits than its factorization.

245727820823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29113.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 245727820823 in words is "two hundred forty-five billion, seven hundred twenty-seven million, eight hundred twenty thousand, eight hundred twenty-three".