371381948909 has 2 divisors, whose sum is σ = 371381948910. Its totient is φ = 371381948908.

The previous prime is 371381948869. The next prime is 371381948953. The reversal of 371381948909 is 909849183173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370945556809 + 436392100 = 609053^2 + 20890^2 .

It is a cyclic number.

It is not a de Polignac number, because 371381948909 - 2²⁴ = 371365171693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371381948999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185690974454 + 185690974455.

It is an arithmetic number, because the mean of its divisors is an integer number (185690974455).

Almost surely, 2^371381948909 is an apocalyptic number.

It is an amenable number.

371381948909 is a deficient number, since it is larger than the sum of its proper divisors (1).

371381948909 is an equidigital number, since it uses as much as digits as its factorization.

371381948909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 371381948909 in words is "three hundred seventy-one billion, three hundred eighty-one million, nine hundred forty-eight thousand, nine hundred nine".