245736574438 has 16 divisors (see below), whose sum is σ = 398591492544. Its totient is φ = 113180298880.

The previous prime is 245736574429. The next prime is 245736574453. The reversal of 245736574438 is 834475637542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76887193 + ... + 76890388.

It is an arithmetic number, because the mean of its divisors is an integer number (24911968284).

Almost surely, 2^245736574438 is an apocalyptic number.

245736574438 is a deficient number, since it is larger than the sum of its proper divisors (152854918106).

245736574438 is a wasteful number, since it uses less digits than its factorization.

245736574438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153777647.

The product of its digits is 67737600, while the sum is 58.

The spelling of 245736574438 in words is "two hundred forty-five billion, seven hundred thirty-six million, five hundred seventy-four thousand, four hundred thirty-eight".