34133487989 has 2 divisors, whose sum is σ = 34133487990. Its totient is φ = 34133487988.

The previous prime is 34133487979. The next prime is 34133488001. The reversal of 34133487989 is 98978433143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29917583089 + 4215904900 = 172967^2 + 64930^2 .

It is a cyclic number.

It is not a de Polignac number, because 34133487989 - 2²⁰ = 34132439413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34133487979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17066743994 + 17066743995.

It is an arithmetic number, because the mean of its divisors is an integer number (17066743995).

Almost surely, 2^34133487989 is an apocalyptic number.

It is an amenable number.

34133487989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34133487989 is an equidigital number, since it uses as much as digits as its factorization.

34133487989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 59.

The spelling of 34133487989 in words is "thirty-four billion, one hundred thirty-three million, four hundred eighty-seven thousand, nine hundred eighty-nine".