1414819691 has 2 divisors, whose sum is σ = 1414819692. Its totient is φ = 1414819690.

The previous prime is 1414819589. The next prime is 1414819697. The reversal of 1414819691 is 1969184141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1414819691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1414819697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707409845 + 707409846.

It is an arithmetic number, because the mean of its divisors is an integer number (707409846).

Almost surely, 2^1414819691 is an apocalyptic number.

1414819691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414819691 is an equidigital number, since it uses as much as digits as its factorization.

1414819691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 44.

The square root of 1414819691 is about 37614.0889960132. The cubic root of 1414819691 is about 1122.6223869413.

The spelling of 1414819691 in words is "one billion, four hundred fourteen million, eight hundred nineteen thousand, six hundred ninety-one".