245435320571 has 16 divisors (see below), whose sum is σ = 291385963008. Its totient is φ = 202351329600.

The previous prime is 245435320561. The next prime is 245435320621. The reversal of 245435320571 is 175023534542.

It is a de Polignac number, because none of the positive numbers 2^k-245435320571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (245435320541) 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, 6001985 + ... + 6042738.

It is an arithmetic number, because the mean of its divisors is an integer number (18211622688).

Almost surely, 2^245435320571 is an apocalyptic number.

245435320571 is a deficient number, since it is larger than the sum of its proper divisors (45950642437).

245435320571 is a wasteful number, since it uses less digits than its factorization.

245435320571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044842.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 245435320571 in words is "two hundred forty-five billion, four hundred thirty-five million, three hundred twenty thousand, five hundred seventy-one".