3247995421367 has 4 divisors (see below), whose sum is σ = 3317101706976. Its totient is φ = 3178889135760.

The previous prime is 3247995421331. The next prime is 3247995421399. The reversal of 3247995421367 is 7631245997423.

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 3247995421367 - 2²⁸ = 3247726985911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247995471367) 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 in 3 ways as a sum of consecutive naturals, for example, 34553142734 + ... + 34553142827.

It is an arithmetic number, because the mean of its divisors is an integer number (829275426744).

Almost surely, 2^{3247995421367} is an apocalyptic number.

3247995421367 is a deficient number, since it is larger than the sum of its proper divisors (69106285609).

3247995421367 is an equidigital number, since it uses as much as digits as its factorization.

3247995421367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69106285608.

The product of its digits is 68584320, while the sum is 62.

The spelling of 3247995421367 in words is "three trillion, two hundred forty-seven billion, nine hundred ninety-five million, four hundred twenty-one thousand, three hundred sixty-seven".