1349189441 has 2 divisors, whose sum is σ = 1349189442. Its totient is φ = 1349189440.

The previous prime is 1349189437. The next prime is 1349189447. The reversal of 1349189441 is 1449819431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253443216 + 95746225 = 35404^2 + 9785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349189441 - 2² = 1349189437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1349189392 and 1349189401.

It is not a weakly prime, because it can be changed into another prime (1349189447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674594720 + 674594721.

It is an arithmetic number, because the mean of its divisors is an integer number (674594721).

Almost surely, 2^1349189441 is an apocalyptic number.

It is an amenable number.

1349189441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349189441 is an equidigital number, since it uses as much as digits as its factorization.

1349189441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 1349189441 is about 36731.3141746930. The cubic root of 1349189441 is about 1104.9882108718.

The spelling of 1349189441 in words is "one billion, three hundred forty-nine million, one hundred eighty-nine thousand, four hundred forty-one".