1634074377589 has 2 divisors, whose sum is σ = 1634074377590. Its totient is φ = 1634074377588.

The previous prime is 1634074377547. The next prime is 1634074377613. The reversal of 1634074377589 is 9857734704361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1302577103025 + 331497274564 = 1141305^2 + 575758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1634074377589 - 2¹¹ = 1634074375541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1634074377589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1634074377539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817037188794 + 817037188795.

It is an arithmetic number, because the mean of its divisors is an integer number (817037188795).

Almost surely, 2^{1634074377589} is an apocalyptic number.

It is an amenable number.

1634074377589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634074377589 is an equidigital number, since it uses as much as digits as its factorization.

1634074377589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 1634074377589 in words is "one trillion, six hundred thirty-four billion, seventy-four million, three hundred seventy-seven thousand, five hundred eighty-nine".