1364891911 has 2 divisors, whose sum is σ = 1364891912. Its totient is φ = 1364891910.

The previous prime is 1364891909. The next prime is 1364891929. The reversal of 1364891911 is 1191984631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1364891911 - 2¹ = 1364891909 is a prime.

Together with 1364891909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364891951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682445955 + 682445956.

It is an arithmetic number, because the mean of its divisors is an integer number (682445956).

Almost surely, 2^1364891911 is an apocalyptic number.

1364891911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364891911 is an equidigital number, since it uses as much as digits as its factorization.

1364891911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 43.

The square root of 1364891911 is about 36944.4435741019. The cubic root of 1364891911 is about 1109.2584693743.

The spelling of 1364891911 in words is "one billion, three hundred sixty-four million, eight hundred ninety-one thousand, nine hundred eleven".