2631932789 has 2 divisors, whose sum is σ = 2631932790. Its totient is φ = 2631932788.

The previous prime is 2631932783. The next prime is 2631932813. The reversal of 2631932789 is 9872391362.

It is a happy number.

2631932789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478787025 + 1153145764 = 38455^2 + 33958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2631932789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631932783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315966394 + 1315966395.

It is an arithmetic number, because the mean of its divisors is an integer number (1315966395).

Almost surely, 2^2631932789 is an apocalyptic number.

It is an amenable number.

2631932789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631932789 is an equidigital number, since it uses as much as digits as its factorization.

2631932789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 2631932789 is about 51302.3663099471. The cubic root of 2631932789 is about 1380.6754358272.

The spelling of 2631932789 in words is "two billion, six hundred thirty-one million, nine hundred thirty-two thousand, seven hundred eighty-nine".