2026066621731 has 4 divisors (see below), whose sum is σ = 2701422162312. Its totient is φ = 1350711081152.

The previous prime is 2026066621729. The next prime is 2026066621751. The reversal of 2026066621731 is 1371266606202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2026066621731 - 2¹ = 2026066621729 is a prime.

It is a super-2 number, since 2×2026066621731² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2026066621751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337677770286 + ... + 337677770291.

It is an arithmetic number, because the mean of its divisors is an integer number (675355540578).

Almost surely, 2^{2026066621731} is an apocalyptic number.

2026066621731 is a deficient number, since it is larger than the sum of its proper divisors (675355540581).

2026066621731 is an equidigital number, since it uses as much as digits as its factorization.

2026066621731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675355540580.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 2026066621731 in words is "two trillion, twenty-six billion, sixty-six million, six hundred twenty-one thousand, seven hundred thirty-one".