76469181589 has 2 divisors, whose sum is σ = 76469181590. Its totient is φ = 76469181588.

The previous prime is 76469181587. The next prime is 76469181619. The reversal of 76469181589 is 98518196467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69792657489 + 6676524100 = 264183^2 + 81710^2 .

It is a cyclic number.

It is not a de Polignac number, because 76469181589 - 2¹ = 76469181587 is a prime.

Together with 76469181587, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 76469181589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76469181587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38234590794 + 38234590795.

It is an arithmetic number, because the mean of its divisors is an integer number (38234590795).

Almost surely, 2^76469181589 is an apocalyptic number.

It is an amenable number.

76469181589 is a deficient number, since it is larger than the sum of its proper divisors (1).

76469181589 is an equidigital number, since it uses as much as digits as its factorization.

76469181589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 64.

The spelling of 76469181589 in words is "seventy-six billion, four hundred sixty-nine million, one hundred eighty-one thousand, five hundred eighty-nine".