2138302485 has 96 divisors (see below), whose sum is σ = 4143260160. Its totient is φ = 1011427200.

The previous prime is 2138302471. The next prime is 2138302487. The reversal of 2138302485 is 5842038312.

It is not a de Polignac number, because 2138302485 - 2⁶ = 2138302421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138302487) 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 95 ways as a sum of consecutive naturals, for example, 6162082 + ... + 6162428.

It is an arithmetic number, because the mean of its divisors is an integer number (43158960).

Almost surely, 2^2138302485 is an apocalyptic number.

It is an amenable number.

2138302485 is a deficient number, since it is larger than the sum of its proper divisors (2004957675).

2138302485 is a wasteful number, since it uses less digits than its factorization.

2138302485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2138302485 is about 46241.7828916663. The cubic root of 2138302485 is about 1288.3179175884.

The spelling of 2138302485 in words is "two billion, one hundred thirty-eight million, three hundred two thousand, four hundred eighty-five".