3215347679 has 2 divisors, whose sum is σ = 3215347680. Its totient is φ = 3215347678.

The previous prime is 3215347673. The next prime is 3215347687. The reversal of 3215347679 is 9767435123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3215347679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215347673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607673839 + 1607673840.

It is an arithmetic number, because the mean of its divisors is an integer number (1607673840).

Almost surely, 2^3215347679 is an apocalyptic number.

3215347679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215347679 is an equidigital number, since it uses as much as digits as its factorization.

3215347679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 3215347679 is about 56704.0358263854. The cubic root of 3215347679 is about 1475.9647319308.

The spelling of 3215347679 in words is "three billion, two hundred fifteen million, three hundred forty-seven thousand, six hundred seventy-nine".