9021430252 has 6 divisors (see below), whose sum is σ = 15787502948. Its totient is φ = 4510715124.

The previous prime is 9021430213. The next prime is 9021430267. The reversal of 9021430252 is 2520341209.

It is a self number, because there is not a number n which added to its sum of digits gives 9021430252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127678778 + ... + 1127678785.

Almost surely, 2^9021430252 is an apocalyptic number.

It is an amenable number.

9021430252 is a deficient number, since it is larger than the sum of its proper divisors (6766072696).

9021430252 is a wasteful number, since it uses less digits than its factorization.

9021430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255357567 (or 2255357565 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 9021430252 is about 94981.2099943984. The cubic root of 9021430252 is about 2081.7335040191.

The spelling of 9021430252 in words is "nine billion, twenty-one million, four hundred thirty thousand, two hundred fifty-two".