3140969891 has 2 divisors, whose sum is σ = 3140969892. Its totient is φ = 3140969890.

The previous prime is 3140969863. The next prime is 3140969947. The reversal of 3140969891 is 1989690413.

It is a weak prime.

It is an emirp because it is prime and its reverse (1989690413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3140969891 - 2¹⁰ = 3140968867 is a prime.

It is not a weakly prime, because it can be changed into another prime (3140969801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570484945 + 1570484946.

It is an arithmetic number, because the mean of its divisors is an integer number (1570484946).

Almost surely, 2^3140969891 is an apocalyptic number.

3140969891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140969891 is an equidigital number, since it uses as much as digits as its factorization.

3140969891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 3140969891 is about 56044.3564598613. The cubic root of 3140969891 is about 1464.4951050892.

The spelling of 3140969891 in words is "three billion, one hundred forty million, nine hundred sixty-nine thousand, eight hundred ninety-one".