1409073397 has 2 divisors, whose sum is σ = 1409073398. Its totient is φ = 1409073396.

The previous prime is 1409073389. The next prime is 1409073427. The reversal of 1409073397 is 7933709041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817902801 + 591170596 = 28599^2 + 24314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409073397 - 2³ = 1409073389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409073377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704536698 + 704536699.

It is an arithmetic number, because the mean of its divisors is an integer number (704536699).

Almost surely, 2^1409073397 is an apocalyptic number.

It is an amenable number.

1409073397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409073397 is an equidigital number, since it uses as much as digits as its factorization.

1409073397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 1409073397 is about 37537.6264167035. The cubic root of 1409073397 is about 1121.1004800484.

The spelling of 1409073397 in words is "one billion, four hundred nine million, seventy-three thousand, three hundred ninety-seven".