371449043947 has 2 divisors, whose sum is σ = 371449043948. Its totient is φ = 371449043946.

The previous prime is 371449043923. The next prime is 371449044013. The reversal of 371449043947 is 749340944173.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371449043947 is a prime.

It is not a weakly prime, because it can be changed into another prime (371449043047) 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, 185724521973 + 185724521974.

It is an arithmetic number, because the mean of its divisors is an integer number (185724521974).

Almost surely, 2^371449043947 is an apocalyptic number.

371449043947 is a deficient number, since it is larger than the sum of its proper divisors (1).

371449043947 is an equidigital number, since it uses as much as digits as its factorization.

371449043947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 371449043947 in words is "three hundred seventy-one billion, four hundred forty-nine million, forty-three thousand, nine hundred forty-seven".