2086421689023 has 16 divisors (see below), whose sum is σ = 3265236518400. Its totient is φ = 1160018235936.

The previous prime is 2086421689003. The next prime is 2086421689049. The reversal of 2086421689023 is 3209861246802.

It is a happy number.

It is not a de Polignac number, because 2086421689023 - 2⁵ = 2086421688991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086421689003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342612923 + ... + 1342614476.

It is an arithmetic number, because the mean of its divisors is an integer number (204077282400).

Almost surely, 2^{2086421689023} is an apocalyptic number.

2086421689023 is a deficient number, since it is larger than the sum of its proper divisors (1178814829377).

2086421689023 is a wasteful number, since it uses less digits than its factorization.

2086421689023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685227446.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 2086421689023 in words is "two trillion, eighty-six billion, four hundred twenty-one million, six hundred eighty-nine thousand, twenty-three".