4700389021 has 2 divisors, whose sum is σ = 4700389022. Its totient is φ = 4700389020.

The previous prime is 4700389013. The next prime is 4700389061. The reversal of 4700389021 is 1209830074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4215904900 + 484484121 = 64930^2 + 22011^2 .

It is a cyclic number.

It is not a de Polignac number, because 4700389021 - 2³ = 4700389013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4700389061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2350194510 + 2350194511.

It is an arithmetic number, because the mean of its divisors is an integer number (2350194511).

Almost surely, 2^4700389021 is an apocalyptic number.

It is an amenable number.

4700389021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4700389021 is an equidigital number, since it uses as much as digits as its factorization.

4700389021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 4700389021 is about 68559.3831725461. The cubic root of 4700389021 is about 1675.1148977098.

The spelling of 4700389021 in words is "four billion, seven hundred million, three hundred eighty-nine thousand, twenty-one".