245945171339 has 12 divisors (see below), whose sum is σ = 286661595600. Its totient is φ = 210395960208.

The previous prime is 245945171327. The next prime is 245945171347. The reversal of 245945171339 is 933171549542.

It is not a de Polignac number, because 245945171339 - 2¹⁶ = 245945105803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245945171539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4905599 + ... + 4955480.

It is an arithmetic number, because the mean of its divisors is an integer number (23888466300).

Almost surely, 2^245945171339 is an apocalyptic number.

245945171339 is a deficient number, since it is larger than the sum of its proper divisors (40716424261).

245945171339 is an equidigital number, since it uses as much as digits as its factorization.

245945171339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861602 (or 9861595 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The spelling of 245945171339 in words is "two hundred forty-five billion, nine hundred forty-five million, one hundred seventy-one thousand, three hundred thirty-nine".