4626887789 has 2 divisors, whose sum is σ = 4626887790. Its totient is φ = 4626887788.

The previous prime is 4626887753. The next prime is 4626887819. The reversal of 4626887789 is 9877886264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2767812100 + 1859075689 = 52610^2 + 43117^2 .

It is a cyclic number.

It is not a de Polignac number, because 4626887789 - 2¹⁶ = 4626822253 is a prime.

It is a super-2 number, since 2×4626887789² = 42816181223994617042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4626887729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313443894 + 2313443895.

It is an arithmetic number, because the mean of its divisors is an integer number (2313443895).

Almost surely, 2^4626887789 is an apocalyptic number.

It is an amenable number.

4626887789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4626887789 is an equidigital number, since it uses as much as digits as its factorization.

4626887789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 65.

The square root of 4626887789 is about 68021.2304284479. The cubic root of 4626887789 is about 1666.3375808169.

The spelling of 4626887789 in words is "four billion, six hundred twenty-six million, eight hundred eighty-seven thousand, seven hundred eighty-nine".