1349611469 has 2 divisors, whose sum is σ = 1349611470. Its totient is φ = 1349611468.

The previous prime is 1349611463. The next prime is 1349611507. The reversal of 1349611469 is 9641169431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210135369 + 139476100 = 34787^2 + 11810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349611469 - 2⁸ = 1349611213 is a prime.

It is a super-2 number, since 2×1349611469² = 3642902234512675922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349611463) 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, 674805734 + 674805735.

It is an arithmetic number, because the mean of its divisors is an integer number (674805735).

Almost surely, 2^1349611469 is an apocalyptic number.

It is an amenable number.

1349611469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349611469 is an equidigital number, since it uses as much as digits as its factorization.

1349611469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 1349611469 is about 36737.0585240571. The cubic root of 1349611469 is about 1105.1034127195.

The spelling of 1349611469 in words is "one billion, three hundred forty-nine million, six hundred eleven thousand, four hundred sixty-nine".