2442773947 has 2 divisors, whose sum is σ = 2442773948. Its totient is φ = 2442773946.

The previous prime is 2442773887. The next prime is 2442774017. The reversal of 2442773947 is 7493772442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2442773947 - 2¹⁵ = 2442741179 is a prime.

It is a super-2 number, since 2×2442773947² = 11934289112283917618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2442773947.

It is not a weakly prime, because it can be changed into another prime (2442773147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221386973 + 1221386974.

It is an arithmetic number, because the mean of its divisors is an integer number (1221386974).

Almost surely, 2^2442773947 is an apocalyptic number.

2442773947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442773947 is an equidigital number, since it uses as much as digits as its factorization.

2442773947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 49.

The square root of 2442773947 is about 49424.4266228755. The cubic root of 2442773947 is about 1346.7730787137.

The spelling of 2442773947 in words is "two billion, four hundred forty-two million, seven hundred seventy-three thousand, nine hundred forty-seven".