1446690493 has 2 divisors, whose sum is σ = 1446690494. Its totient is φ = 1446690492.

The previous prime is 1446690451. The next prime is 1446690499. The reversal of 1446690493 is 3940966441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327727844 + 118962649 = 36438^2 + 10907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1446690493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1446690499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723345246 + 723345247.

It is an arithmetic number, because the mean of its divisors is an integer number (723345247).

Almost surely, 2^1446690493 is an apocalyptic number.

It is an amenable number.

1446690493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446690493 is an equidigital number, since it uses as much as digits as its factorization.

1446690493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1446690493 is about 38035.3847489413. The cubic root of 1446690493 is about 1130.9894205708.

The spelling of 1446690493 in words is "one billion, four hundred forty-six million, six hundred ninety thousand, four hundred ninety-three".