2021145333434 has 8 divisors (see below), whose sum is σ = 3031816470708. Its totient is φ = 1010539843200.

The previous prime is 2021145333397. The next prime is 2021145333463. The reversal of 2021145333434 is 4343335411202.

It can be written as a sum of positive squares in 2 ways, for example, as 2005613942809 + 15531390625 = 1416197^2 + 124625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021145333394 and 2021145333403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16334717 + ... + 16457984.

Almost surely, 2^{2021145333434} is an apocalyptic number.

2021145333434 is a deficient number, since it is larger than the sum of its proper divisors (1010671137274).

2021145333434 is a wasteful number, since it uses less digits than its factorization.

2021145333434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823520.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 2021145333434 in words is "two trillion, twenty-one billion, one hundred forty-five million, three hundred thirty-three thousand, four hundred thirty-four".