2081420646402 has 16 divisors (see below), whose sum is σ = 4306387544640. Its totient is φ = 669882506832.

The previous prime is 2081420646379. The next prime is 2081420646427. The reversal of 2081420646402 is 2046460241802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5981093638 + ... + 5981093985.

It is an arithmetic number, because the mean of its divisors is an integer number (269149221540).

Almost surely, 2^{2081420646402} is an apocalyptic number.

2081420646402 is an abundant number, since it is smaller than the sum of its proper divisors (2224966898238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2081420646402 is a wasteful number, since it uses less digits than its factorization.

2081420646402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962187657.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 2081420646402 in words is "two trillion, eighty-one billion, four hundred twenty million, six hundred forty-six thousand, four hundred two".