3267638801243 has 4 divisors (see below), whose sum is σ = 3267642828408. Its totient is φ = 3267634774080.

The previous prime is 3267638801239. The next prime is 3267638801351. The reversal of 3267638801243 is 3421088367623.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3267638801243 - 2² = 3267638801239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3267638803243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323798 + ... + 2576843.

It is an arithmetic number, because the mean of its divisors is an integer number (816910707102).

Almost surely, 2^{3267638801243} is an apocalyptic number.

3267638801243 is a deficient number, since it is larger than the sum of its proper divisors (4027165).

3267638801243 is a wasteful number, since it uses less digits than its factorization.

3267638801243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027164.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 3267638801243 in words is "three trillion, two hundred sixty-seven billion, six hundred thirty-eight million, eight hundred one thousand, two hundred forty-three".