245332674239 has 4 divisors (see below), whose sum is σ = 247123423824. Its totient is φ = 243541924656.

The previous prime is 245332674203. The next prime is 245332674289. The reversal of 245332674239 is 932476233542.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245332674239 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 (245332674289) 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, 895374587 + ... + 895374860.

It is an arithmetic number, because the mean of its divisors is an integer number (61780855956).

Almost surely, 2^245332674239 is an apocalyptic number.

245332674239 is a deficient number, since it is larger than the sum of its proper divisors (1790749585).

245332674239 is a wasteful number, since it uses less digits than its factorization.

245332674239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790749584.

The product of its digits is 6531840, while the sum is 50.

The spelling of 245332674239 in words is "two hundred forty-five billion, three hundred thirty-two million, six hundred seventy-four thousand, two hundred thirty-nine".