3909494876227 has 2 divisors, whose sum is σ = 3909494876228. Its totient is φ = 3909494876226.

The previous prime is 3909494876213. The next prime is 3909494876317. The reversal of 3909494876227 is 7226784949093.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7226784949093) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3909494876227 is a prime.

It is not a weakly prime, because it can be changed into another prime (3909494876327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1954747438113 + 1954747438114.

It is an arithmetic number, because the mean of its divisors is an integer number (1954747438114).

Almost surely, 2^{3909494876227} is an apocalyptic number.

3909494876227 is a deficient number, since it is larger than the sum of its proper divisors (1).

3909494876227 is an equidigital number, since it uses as much as digits as its factorization.

3909494876227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 70.

The spelling of 3909494876227 in words is "three trillion, nine hundred nine billion, four hundred ninety-four million, eight hundred seventy-six thousand, two hundred twenty-seven".