1632049789 has 2 divisors, whose sum is σ = 1632049790. Its totient is φ = 1632049788.

The previous prime is 1632049787. The next prime is 1632049823. The reversal of 1632049789 is 9879402361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1631756025 + 293764 = 40395^2 + 542^2 .

It is an emirp because it is prime and its reverse (9879402361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1632049789 - 2¹ = 1632049787 is a prime.

Together with 1632049787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1632049781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816024894 + 816024895.

It is an arithmetic number, because the mean of its divisors is an integer number (816024895).

Almost surely, 2^1632049789 is an apocalyptic number.

It is an amenable number.

1632049789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632049789 is an equidigital number, since it uses as much as digits as its factorization.

1632049789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1632049789 is about 40398.6359794486. The cubic root of 1632049789 is about 1177.3650361372.

The spelling of 1632049789 in words is "one billion, six hundred thirty-two million, forty-nine thousand, seven hundred eighty-nine".