1494254849 has 2 divisors, whose sum is σ = 1494254850. Its totient is φ = 1494254848.

The previous prime is 1494254843. The next prime is 1494254857. The reversal of 1494254849 is 9484524941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208813824 + 285441025 = 34768^2 + 16895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494254849 - 2²⁸ = 1225819393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494254797 and 1494254806.

It is not a weakly prime, because it can be changed into another prime (1494254843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747127424 + 747127425.

It is an arithmetic number, because the mean of its divisors is an integer number (747127425).

Almost surely, 2^1494254849 is an apocalyptic number.

It is an amenable number.

1494254849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494254849 is an equidigital number, since it uses as much as digits as its factorization.

1494254849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The square root of 1494254849 is about 38655.5927260209. The cubic root of 1494254849 is about 1143.2509158027.

The spelling of 1494254849 in words is "one billion, four hundred ninety-four million, two hundred fifty-four thousand, eight hundred forty-nine".