3867842423747 has 2 divisors, whose sum is σ = 3867842423748. Its totient is φ = 3867842423746.

The previous prime is 3867842423719. The next prime is 3867842423759. The reversal of 3867842423747 is 7473242487683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3867842423747 is a prime.

It is not a weakly prime, because it can be changed into another prime (3867842423047) 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 as a sum of consecutive naturals, namely, 1933921211873 + 1933921211874.

It is an arithmetic number, because the mean of its divisors is an integer number (1933921211874).

Almost surely, 2^{3867842423747} is an apocalyptic number.

3867842423747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867842423747 is an equidigital number, since it uses as much as digits as its factorization.

3867842423747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303464448, while the sum is 65.

The spelling of 3867842423747 in words is "three trillion, eight hundred sixty-seven billion, eight hundred forty-two million, four hundred twenty-three thousand, seven hundred forty-seven".