1401003449 has 2 divisors, whose sum is σ = 1401003450. Its totient is φ = 1401003448.

The previous prime is 1401003413. The next prime is 1401003463. The reversal of 1401003449 is 9443001041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395396025 + 5607424 = 37355^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401003449 - 2⁸ = 1401003193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1401003479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700501724 + 700501725.

It is an arithmetic number, because the mean of its divisors is an integer number (700501725).

Almost surely, 2^1401003449 is an apocalyptic number.

It is an amenable number.

1401003449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401003449 is an equidigital number, since it uses as much as digits as its factorization.

1401003449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1401003449 is about 37429.9806171470. The cubic root of 1401003449 is about 1118.9561514176.

The spelling of 1401003449 in words is "one billion, four hundred one million, three thousand, four hundred forty-nine".