245901943839 has 32 divisors (see below), whose sum is σ = 341866590208. Its totient is φ = 157044096000.

The previous prime is 245901943823. The next prime is 245901943843. The reversal of 245901943839 is 938349109542.

245901943839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245901943839 - 2⁴ = 245901943823 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 (245901941839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46560879 + ... + 46566159.

It is an arithmetic number, because the mean of its divisors is an integer number (10683330944).

Almost surely, 2^245901943839 is an apocalyptic number.

245901943839 is a deficient number, since it is larger than the sum of its proper divisors (95964646369).

245901943839 is a wasteful number, since it uses less digits than its factorization.

245901943839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 245901943839 in words is "two hundred forty-five billion, nine hundred one million, nine hundred forty-three thousand, eight hundred thirty-nine".