2021973446 has 4 divisors (see below), whose sum is σ = 3032960172. Its totient is φ = 1010986722.

The previous prime is 2021973433. The next prime is 2021973461. The reversal of 2021973446 is 6443791202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2021973446² = 8176753232658229832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505493360 + ... + 505493363.

It is an arithmetic number, because the mean of its divisors is an integer number (758240043).

Almost surely, 2^2021973446 is an apocalyptic number.

2021973446 is a deficient number, since it is larger than the sum of its proper divisors (1010986726).

2021973446 is a wasteful number, since it uses less digits than its factorization.

2021973446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010986725.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2021973446 is about 44966.3590476258. The cubic root of 2021973446 is about 1264.5183887399.

The spelling of 2021973446 in words is "two billion, twenty-one million, nine hundred seventy-three thousand, four hundred forty-six".