2029632639 has 8 divisors (see below), whose sum is σ = 2710040112. Its totient is φ = 1351156800.

The previous prime is 2029632623. The next prime is 2029632653. The reversal of 2029632639 is 9362369202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2029632639 - 2⁴ = 2029632623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2029632639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029632239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480454 + ... + 484659.

It is an arithmetic number, because the mean of its divisors is an integer number (338755014).

Almost surely, 2^2029632639 is an apocalyptic number.

2029632639 is a deficient number, since it is larger than the sum of its proper divisors (680407473).

2029632639 is an equidigital number, since it uses as much as digits as its factorization.

2029632639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965817.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 2029632639 is about 45051.4443608637. Note that the first 3 decimals coincide. The cubic root of 2029632639 is about 1266.1130333154.

The spelling of 2029632639 in words is "two billion, twenty-nine million, six hundred thirty-two thousand, six hundred thirty-nine".