3207420563695 has 4 divisors (see below), whose sum is σ = 3848904676440. Its totient is φ = 2565936450952.

The previous prime is 3207420563689. The next prime is 3207420563713. The reversal of 3207420563695 is 5963650247023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3207420563695 - 2²³ = 3207412175087 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 320742056365 + ... + 320742056374.

It is an arithmetic number, because the mean of its divisors is an integer number (962226169110).

Almost surely, 2^{3207420563695} is an apocalyptic number.

3207420563695 is a deficient number, since it is larger than the sum of its proper divisors (641484112745).

3207420563695 is an equidigital number, since it uses as much as digits as its factorization.

3207420563695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641484112744.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 3207420563695 in words is "three trillion, two hundred seven billion, four hundred twenty million, five hundred sixty-three thousand, six hundred ninety-five".