2431136485 has 4 divisors (see below), whose sum is σ = 2917363788. Its totient is φ = 1944909184.

The previous prime is 2431136471. The next prime is 2431136503. The reversal of 2431136485 is 5846311342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 497423809 + 1933712676 = 22303^2 + 43974^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431136485 - 2⁵ = 2431136453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243113644 + ... + 243113653.

It is an arithmetic number, because the mean of its divisors is an integer number (729340947).

Almost surely, 2^2431136485 is an apocalyptic number.

It is an amenable number.

2431136485 is a deficient number, since it is larger than the sum of its proper divisors (486227303).

2431136485 is an equidigital number, since it uses as much as digits as its factorization.

2431136485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486227302.

The product of its digits is 69120, while the sum is 37.

The square root of 2431136485 is about 49306.5562070603. The cubic root of 2431136485 is about 1344.6309818063.

The spelling of 2431136485 in words is "two billion, four hundred thirty-one million, one hundred thirty-six thousand, four hundred eighty-five".