1494873617 has 2 divisors, whose sum is σ = 1494873618. Its totient is φ = 1494873616.

The previous prime is 1494873607. The next prime is 1494873647. The reversal of 1494873617 is 7163784941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1457406976 + 37466641 = 38176^2 + 6121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494873617 - 2⁶ = 1494873553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494873607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747436808 + 747436809.

It is an arithmetic number, because the mean of its divisors is an integer number (747436809).

Almost surely, 2^1494873617 is an apocalyptic number.

It is an amenable number.

1494873617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494873617 is an equidigital number, since it uses as much as digits as its factorization.

1494873617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 1494873617 is about 38663.5955001601. The cubic root of 1494873617 is about 1143.4087000121.

The spelling of 1494873617 in words is "one billion, four hundred ninety-four million, eight hundred seventy-three thousand, six hundred seventeen".