3621843671023 has 2 divisors, whose sum is σ = 3621843671024. Its totient is φ = 3621843671022.

The previous prime is 3621843671003. The next prime is 3621843671107. The reversal of 3621843671023 is 3201763481263.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621843671023 is a prime.

It is a super-2 number, since 2×3621843671023² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621843671003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810921835511 + 1810921835512.

It is an arithmetic number, because the mean of its divisors is an integer number (1810921835512).

Almost surely, 2^{3621843671023} is an apocalyptic number.

3621843671023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621843671023 is an equidigital number, since it uses as much as digits as its factorization.

3621843671023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 3621843671023 in words is "three trillion, six hundred twenty-one billion, eight hundred forty-three million, six hundred seventy-one thousand, twenty-three".