1369490611 has 2 divisors, whose sum is σ = 1369490612. Its totient is φ = 1369490610.

The previous prime is 1369490609. The next prime is 1369490659. The reversal of 1369490611 is 1160949631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1369490611 - 2¹ = 1369490609 is a prime.

Together with 1369490609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1369490011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684745305 + 684745306.

It is an arithmetic number, because the mean of its divisors is an integer number (684745306).

Almost surely, 2^1369490611 is an apocalyptic number.

1369490611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369490611 is an equidigital number, since it uses as much as digits as its factorization.

1369490611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 1369490611 is about 37006.6292844944. The cubic root of 1369490611 is about 1110.5028728131.

The spelling of 1369490611 in words is "one billion, three hundred sixty-nine million, four hundred ninety thousand, six hundred eleven".