3648612839 has 2 divisors, whose sum is σ = 3648612840. Its totient is φ = 3648612838.

The previous prime is 3648612833. The next prime is 3648612857. The reversal of 3648612839 is 9382168463.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3648612839 - 2¹⁶ = 3648547303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648612833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824306419 + 1824306420.

It is an arithmetic number, because the mean of its divisors is an integer number (1824306420).

Almost surely, 2^3648612839 is an apocalyptic number.

3648612839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648612839 is an equidigital number, since it uses as much as digits as its factorization.

3648612839 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 3648612839 is about 60403.7485508971. The cubic root of 3648612839 is about 1539.4866505928.

The spelling of 3648612839 in words is "three billion, six hundred forty-eight million, six hundred twelve thousand, eight hundred thirty-nine".