2021198706430 has 16 divisors (see below), whose sum is σ = 3638207349360. Its totient is φ = 808468443072.

The previous prime is 2021198706419. The next prime is 2021198706473. The reversal of 2021198706430 is 346078911202.

It is a congruent number.

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, 589404 + ... + 2095183.

It is an arithmetic number, because the mean of its divisors is an integer number (227387959335).

Almost surely, 2^{2021198706430} is an apocalyptic number.

2021198706430 is a deficient number, since it is larger than the sum of its proper divisors (1617008642930).

2021198706430 is a wasteful number, since it uses less digits than its factorization.

2021198706430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759883.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 2021198706430 in words is "two trillion, twenty-one billion, one hundred ninety-eight million, seven hundred six thousand, four hundred thirty".