1398160469 has 2 divisors, whose sum is σ = 1398160470. Its totient is φ = 1398160468.

The previous prime is 1398160457. The next prime is 1398160513. The reversal of 1398160469 is 9640618931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161923569 + 236236900 = 34087^2 + 15370^2 .

It is an emirp because it is prime and its reverse (9640618931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1398160469 - 2⁴ = 1398160453 is a prime.

It is a super-2 number, since 2×1398160469² = 3909705394148599922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398160369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699080234 + 699080235.

It is an arithmetic number, because the mean of its divisors is an integer number (699080235).

Almost surely, 2^1398160469 is an apocalyptic number.

It is an amenable number.

1398160469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398160469 is an equidigital number, since it uses as much as digits as its factorization.

1398160469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1398160469 is about 37391.9840206427. The cubic root of 1398160469 is about 1118.1987599488.

The spelling of 1398160469 in words is "one billion, three hundred ninety-eight million, one hundred sixty thousand, four hundred sixty-nine".