6464062589 has 2 divisors, whose sum is σ = 6464062590. Its totient is φ = 6464062588.

The previous prime is 6464062573. The next prime is 6464062603. The reversal of 6464062589 is 9852604646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752999364 + 1711063225 = 68942^2 + 41365^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464062589 - 2⁴ = 6464062573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464062489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232031294 + 3232031295.

It is an arithmetic number, because the mean of its divisors is an integer number (3232031295).

Almost surely, 2^6464062589 is an apocalyptic number.

It is an amenable number.

6464062589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464062589 is an equidigital number, since it uses as much as digits as its factorization.

6464062589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 6464062589 is about 80399.3942079168. The cubic root of 6464062589 is about 1862.8098154282.

The spelling of 6464062589 in words is "six billion, four hundred sixty-four million, sixty-two thousand, five hundred eighty-nine".