2086370538 has 16 divisors (see below), whose sum is σ = 4768847040. Its totient is φ = 596105856.

The previous prime is 2086370521. The next prime is 2086370569. The reversal of 2086370538 is 8350736802.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 49675489 = 2086370538 / (2 + 0 + 8 + 6 + 3 + 7 + 0 + 5 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 2086370538.

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, 24837703 + ... + 24837786.

It is an arithmetic number, because the mean of its divisors is an integer number (298052940).

Almost surely, 2^2086370538 is an apocalyptic number.

2086370538 is an abundant number, since it is smaller than the sum of its proper divisors (2682476502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2086370538 is a wasteful number, since it uses less digits than its factorization.

2086370538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49675501.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2086370538 is about 45676.8052516811. The cubic root of 2086370538 is about 1277.8027362490.

The spelling of 2086370538 in words is "two billion, eighty-six million, three hundred seventy thousand, five hundred thirty-eight".