3268461389 has 2 divisors, whose sum is σ = 3268461390. Its totient is φ = 3268461388.

The previous prime is 3268461379. The next prime is 3268461403. The reversal of 3268461389 is 9831648623.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2349340900 + 919120489 = 48470^2 + 30317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3268461389 - 2⁴ = 3268461373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3268461319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634230694 + 1634230695.

It is an arithmetic number, because the mean of its divisors is an integer number (1634230695).

Almost surely, 2^3268461389 is an apocalyptic number.

It is an amenable number.

3268461389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3268461389 is an equidigital number, since it uses as much as digits as its factorization.

3268461389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The square root of 3268461389 is about 57170.4590588531. The cubic root of 3268461389 is about 1484.0474475534.

The spelling of 3268461389 in words is "three billion, two hundred sixty-eight million, four hundred sixty-one thousand, three hundred eighty-nine".