1401341609 has 2 divisors, whose sum is σ = 1401341610. Its totient is φ = 1401341608.

The previous prime is 1401341581. The next prime is 1401341611. The reversal of 1401341609 is 9061431041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742290025 + 659051584 = 27245^2 + 25672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401341609 - 2¹² = 1401337513 is a prime.

It is a super-2 number, since 2×1401341609² = 3927516610229417762, which contains 22 as substring.

Together with 1401341611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1401341629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700670804 + 700670805.

It is an arithmetic number, because the mean of its divisors is an integer number (700670805).

Almost surely, 2^1401341609 is an apocalyptic number.

It is an amenable number.

1401341609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401341609 is an equidigital number, since it uses as much as digits as its factorization.

1401341609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1401341609 is about 37434.4975791048. The cubic root of 1401341609 is about 1119.0461716034.

The spelling of 1401341609 in words is "one billion, four hundred one million, three hundred forty-one thousand, six hundred nine".