4626570989 has 4 divisors (see below), whose sum is σ = 4627381500. Its totient is φ = 4625760480.

The previous prime is 4626570959. The next prime is 4626570997. The reversal of 4626570989 is 9890756264.

It is a happy number.

4626570989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 245454889 + 4381116100 = 15667^2 + 66190^2 .

It is a cyclic number.

It is not a de Polignac number, because 4626570989 - 2⁸ = 4626570733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4626570929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396632 + ... + 408129.

It is an arithmetic number, because the mean of its divisors is an integer number (1156845375).

Almost surely, 2^4626570989 is an apocalyptic number.

It is an amenable number.

4626570989 is a deficient number, since it is larger than the sum of its proper divisors (810511).

4626570989 is an equidigital number, since it uses as much as digits as its factorization.

4626570989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810510.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 4626570989 is about 68018.9017038646. The cubic root of 4626570989 is about 1666.2995489318.

The spelling of 4626570989 in words is "four billion, six hundred twenty-six million, five hundred seventy thousand, nine hundred eighty-nine".