2065752638 has 32 divisors (see below), whose sum is σ = 3178375200. Its totient is φ = 1006750080.

The previous prime is 2065752629. The next prime is 2065752677. The reversal of 2065752638 is 8362575602.

It is a super-2 number, since 2×2065752638² = 8534667922807918088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5918888 + ... + 5919236.

It is an arithmetic number, because the mean of its divisors is an integer number (99324225).

Almost surely, 2^2065752638 is an apocalyptic number.

2065752638 is a deficient number, since it is larger than the sum of its proper divisors (1112622562).

2065752638 is a wasteful number, since it uses less digits than its factorization.

2065752638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2065752638 is about 45450.5515698105. The cubic root of 2065752638 is about 1273.5796333003.

The spelling of 2065752638 in words is "two billion, sixty-five million, seven hundred fifty-two thousand, six hundred thirty-eight".