1334011691 has 2 divisors, whose sum is σ = 1334011692. Its totient is φ = 1334011690.

The previous prime is 1334011649. The next prime is 1334011697. The reversal of 1334011691 is 1961104331.

It is a strong prime.

It is an emirp because it is prime and its reverse (1961104331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334011691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1334011697) 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, 667005845 + 667005846.

It is an arithmetic number, because the mean of its divisors is an integer number (667005846).

Almost surely, 2^1334011691 is an apocalyptic number.

1334011691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334011691 is an equidigital number, since it uses as much as digits as its factorization.

1334011691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1334011691 is about 36524.1247807528. The cubic root of 1334011691 is about 1100.8290419574.

The spelling of 1334011691 in words is "one billion, three hundred thirty-four million, eleven thousand, six hundred ninety-one".