3246947663 has 2 divisors, whose sum is σ = 3246947664. Its totient is φ = 3246947662.

The previous prime is 3246947653. The next prime is 3246947687. The reversal of 3246947663 is 3667496423.

3246947663 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 is a cyclic number.

It is not a de Polignac number, because 3246947663 - 2²⁶ = 3179838799 is a prime.

It is a super-2 number, since 2×3246947663² = 21085338252522323138, which contains 22 as substring.

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 (3246947603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623473831 + 1623473832.

It is an arithmetic number, because the mean of its divisors is an integer number (1623473832).

Almost surely, 2^3246947663 is an apocalyptic number.

3246947663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3246947663 is an equidigital number, since it uses as much as digits as its factorization.

3246947663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 50.

The square root of 3246947663 is about 56981.9941999225. The cubic root of 3246947663 is about 1480.7841691422.

The spelling of 3246947663 in words is "three billion, two hundred forty-six million, nine hundred forty-seven thousand, six hundred sixty-three".