1909914131 has 2 divisors, whose sum is σ = 1909914132. Its totient is φ = 1909914130.

The previous prime is 1909914121. The next prime is 1909914151. The reversal of 1909914131 is 1314199091.

It is a weak prime.

It is an emirp because it is prime and its reverse (1314199091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1909914131 - 2¹⁰ = 1909913107 is a prime.

It is a super-2 number, since 2×1909914131² = 7295543975586970322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1909914121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954957065 + 954957066.

It is an arithmetic number, because the mean of its divisors is an integer number (954957066).

Almost surely, 2^1909914131 is an apocalyptic number.

1909914131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1909914131 is an equidigital number, since it uses as much as digits as its factorization.

1909914131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 1909914131 is about 43702.5643526784. The cubic root of 1909914131 is about 1240.7128512604.

The spelling of 1909914131 in words is "one billion, nine hundred nine million, nine hundred fourteen thousand, one hundred thirty-one".