2072485639 has 4 divisors (see below), whose sum is σ = 2368555024. Its totient is φ = 1776416256.

The previous prime is 2072485637. The next prime is 2072485643. The reversal of 2072485639 is 9365842702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9365842702 = 2 ⋅4682921351.

It is a cyclic number.

It is not a de Polignac number, because 2072485639 - 2¹ = 2072485637 is a prime.

It is a super-2 number, since 2×2072485639² = 8590393447722476642, 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 (2072485637) 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 3 ways as a sum of consecutive naturals, for example, 148034682 + ... + 148034695.

It is an arithmetic number, because the mean of its divisors is an integer number (592138756).

Almost surely, 2^2072485639 is an apocalyptic number.

2072485639 is a deficient number, since it is larger than the sum of its proper divisors (296069385).

2072485639 is an equidigital number, since it uses as much as digits as its factorization.

2072485639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296069384.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2072485639 is about 45524.5608325879. The cubic root of 2072485639 is about 1274.9618112873.

The spelling of 2072485639 in words is "two billion, seventy-two million, four hundred eighty-five thousand, six hundred thirty-nine".