2639853237 has 16 divisors (see below), whose sum is σ = 4029215360. Its totient is φ = 1506019392.

The previous prime is 2639853197. The next prime is 2639853241. The reversal of 2639853237 is 7323589362.

It is a de Polignac number, because none of the positive numbers 2^k-2639853237 is a prime.

It is a super-2 number, since 2×2639853237² = 13937650225798756338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639853247) 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 15 ways as a sum of consecutive naturals, for example, 89662 + ... + 115407.

It is an arithmetic number, because the mean of its divisors is an integer number (251825960).

Almost surely, 2^2639853237 is an apocalyptic number.

It is an amenable number.

2639853237 is a deficient number, since it is larger than the sum of its proper divisors (1389362123).

2639853237 is a wasteful number, since it uses less digits than its factorization.

2639853237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205692.

The product of its digits is 1632960, while the sum is 48.

The square root of 2639853237 is about 51379.5021093043. The cubic root of 2639853237 is about 1382.0590345568.

The spelling of 2639853237 in words is "two billion, six hundred thirty-nine million, eight hundred fifty-three thousand, two hundred thirty-seven".