1401452449 has 2 divisors, whose sum is σ = 1401452450. Its totient is φ = 1401452448.

The previous prime is 1401452401. The next prime is 1401452471. The reversal of 1401452449 is 9442541041.

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., 1396367424 + 5085025 = 37368^2 + 2255^2 .

It is an emirp because it is prime and its reverse (9442541041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401452449 - 2¹⁵ = 1401419681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401452249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700726224 + 700726225.

It is an arithmetic number, because the mean of its divisors is an integer number (700726225).

Almost surely, 2^1401452449 is an apocalyptic number.

It is an amenable number.

1401452449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401452449 is an equidigital number, since it uses as much as digits as its factorization.

1401452449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1401452449 is about 37435.9780024511. The cubic root of 1401452449 is about 1119.0756747136.

The spelling of 1401452449 in words is "one billion, four hundred one million, four hundred fifty-two thousand, four hundred forty-nine".