1409073389 has 2 divisors, whose sum is σ = 1409073390. Its totient is φ = 1409073388.

The previous prime is 1409073377. The next prime is 1409073397. The reversal of 1409073389 is 9833709041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993321289 + 415752100 = 31517^2 + 20390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1409073389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409078389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704536694 + 704536695.

It is an arithmetic number, because the mean of its divisors is an integer number (704536695).

Almost surely, 2^1409073389 is an apocalyptic number.

It is an amenable number.

1409073389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409073389 is an equidigital number, since it uses as much as digits as its factorization.

1409073389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1409073389 is about 37537.6263101438. The cubic root of 1409073389 is about 1121.1004779267.

The spelling of 1409073389 in words is "one billion, four hundred nine million, seventy-three thousand, three hundred eighty-nine".