1349598389 has 2 divisors, whose sum is σ = 1349598390. Its totient is φ = 1349598388.

The previous prime is 1349598359. The next prime is 1349598401. The reversal of 1349598389 is 9838959431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001216164 + 348382225 = 31642^2 + 18665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349598389 - 2¹⁶ = 1349532853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349598359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674799194 + 674799195.

It is an arithmetic number, because the mean of its divisors is an integer number (674799195).

Almost surely, 2^1349598389 is an apocalyptic number.

It is an amenable number.

1349598389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349598389 is an equidigital number, since it uses as much as digits as its factorization.

1349598389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 59.

The square root of 1349598389 is about 36736.8805017519. The cubic root of 1349598389 is about 1105.0998426058.

The spelling of 1349598389 in words is "one billion, three hundred forty-nine million, five hundred ninety-eight thousand, three hundred eighty-nine".