245892491579 has 4 divisors (see below), whose sum is σ = 281019990384. Its totient is φ = 210764992776.

The previous prime is 245892491513. The next prime is 245892491617. The reversal of 245892491579 is 975194298542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245892491579 - 2¹² = 245892487483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245892491279) 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, 17563749392 + ... + 17563749405.

It is an arithmetic number, because the mean of its divisors is an integer number (70254997596).

Almost surely, 2^245892491579 is an apocalyptic number.

245892491579 is a deficient number, since it is larger than the sum of its proper divisors (35127498805).

245892491579 is an equidigital number, since it uses as much as digits as its factorization.

245892491579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35127498804.

The product of its digits is 65318400, while the sum is 65.

The spelling of 245892491579 in words is "two hundred forty-five billion, eight hundred ninety-two million, four hundred ninety-one thousand, five hundred seventy-nine".