2081398021010 has 32 divisors (see below), whose sum is σ = 4670981534592. Its totient is φ = 648747434880.

The previous prime is 2081398021007. The next prime is 2081398021033. The reversal of 2081398021010 is 101208931802.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351556387 + ... + 1351557926.

It is an arithmetic number, because the mean of its divisors is an integer number (145968172956).

Almost surely, 2^{2081398021010} is an apocalyptic number.

2081398021010 is an abundant number, since it is smaller than the sum of its proper divisors (2589583513582).

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

2081398021010 is a wasteful number, since it uses less digits than its factorization.

2081398021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703114338.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 2081398021010 in words is "two trillion, eighty-one billion, three hundred ninety-eight million, twenty-one thousand, ten".