2021452434 has 12 divisors (see below), whose sum is σ = 4379813646. Its totient is φ = 673817472.

The previous prime is 2021452429. The next prime is 2021452441. The reversal of 2021452434 is 4342541202.

2021452434 is a `hidden beast` number, since 202 + 1 + 452 + 4 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1931866209 + 89586225 = 43953^2 + 9465^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2021452398 and 2021452407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56151439 + ... + 56151474.

Almost surely, 2^2021452434 is an apocalyptic number.

2021452434 is an abundant number, since it is smaller than the sum of its proper divisors (2358361212).

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

2021452434 is a wasteful number, since it uses less digits than its factorization.

2021452434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112302921 (or 112302918 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2021452434 is about 44960.5653211790. The cubic root of 2021452434 is about 1264.4097678194.

Adding to 2021452434 its reverse (4342541202), we get a palindrome (6363993636).

The spelling of 2021452434 in words is "two billion, twenty-one million, four hundred fifty-two thousand, four hundred thirty-four".