2026839831621 has 32 divisors (see below), whose sum is σ = 2969360000640. Its totient is φ = 1219562284800.

The previous prime is 2026839831619. The next prime is 2026839831659. The reversal of 2026839831621 is 1261389386202.

It is a happy number.

It is not a de Polignac number, because 2026839831621 - 2¹ = 2026839831619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026839831671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3797311 + ... + 4298051.

It is an arithmetic number, because the mean of its divisors is an integer number (92792500020).

Almost surely, 2^{2026839831621} is an apocalyptic number.

It is an amenable number.

2026839831621 is a deficient number, since it is larger than the sum of its proper divisors (942520169019).

2026839831621 is a wasteful number, since it uses less digits than its factorization.

2026839831621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501637.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 2026839831621 in words is "two trillion, twenty-six billion, eight hundred thirty-nine million, eight hundred thirty-one thousand, six hundred twenty-one".