245295784838 has 48 divisors (see below), whose sum is σ = 423609882864. Its totient is φ = 105874629120.

The previous prime is 245295784823. The next prime is 245295784901. The reversal of 245295784838 is 838487592542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1075733 + ... + 1283663.

It is an arithmetic number, because the mean of its divisors is an integer number (8825205893).

Almost surely, 2^245295784838 is an apocalyptic number.

245295784838 is a deficient number, since it is larger than the sum of its proper divisors (178314098026).

245295784838 is a wasteful number, since it uses less digits than its factorization.

245295784838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208137 (or 208120 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 65.

The spelling of 245295784838 in words is "two hundred forty-five billion, two hundred ninety-five million, seven hundred eighty-four thousand, eight hundred thirty-eight".