4230645291 has 12 divisors (see below), whose sum is σ = 6115624632. Its totient is φ = 2818264416.

The previous prime is 4230645269. The next prime is 4230645337. The reversal of 4230645291 is 1925460324.

It is a happy number.

4230645291 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 645 + 2 + 9 + 1 = 666.

4230645291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4230645291 - 2⁷ = 4230645163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4230695291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168066 + ... + 191591.

It is an arithmetic number, because the mean of its divisors is an integer number (509635386).

Almost surely, 2^4230645291 is an apocalyptic number.

4230645291 is a deficient number, since it is larger than the sum of its proper divisors (1884979341).

4230645291 is a wasteful number, since it uses less digits than its factorization.

4230645291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360970 (or 360967 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4230645291 is about 65043.4108192367. The cubic root of 4230645291 is about 1617.3432666188.

The spelling of 4230645291 in words is "four billion, two hundred thirty million, six hundred forty-five thousand, two hundred ninety-one".