1409546969 has 2 divisors, whose sum is σ = 1409546970. Its totient is φ = 1409546968.

The previous prime is 1409546933. The next prime is 1409547037. The reversal of 1409546969 is 9696459041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794506969 + 615040000 = 28187^2 + 24800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409546969 - 2²⁰ = 1408498393 is a prime.

It is a super-2 number, since 2×1409546969² = 3973645315634173922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409546969.

It is not a weakly prime, because it can be changed into another prime (1409546069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704773484 + 704773485.

It is an arithmetic number, because the mean of its divisors is an integer number (704773485).

Almost surely, 2^1409546969 is an apocalyptic number.

It is an amenable number.

1409546969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409546969 is an equidigital number, since it uses as much as digits as its factorization.

1409546969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 1409546969 is about 37543.9338508899. The cubic root of 1409546969 is about 1121.2260619449.

The spelling of 1409546969 in words is "one billion, four hundred nine million, five hundred forty-six thousand, nine hundred sixty-nine".