283957449947 has 2 divisors, whose sum is σ = 283957449948. Its totient is φ = 283957449946.

The previous prime is 283957449899. The next prime is 283957449959. The reversal of 283957449947 is 749944759382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 283957449947 - 2⁶ = 283957449883 is a prime.

It is not a weakly prime, because it can be changed into another prime (283957449547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141978724973 + 141978724974.

It is an arithmetic number, because the mean of its divisors is an integer number (141978724974).

Almost surely, 2^283957449947 is an apocalyptic number.

283957449947 is a deficient number, since it is larger than the sum of its proper divisors (1).

283957449947 is an equidigital number, since it uses as much as digits as its factorization.

283957449947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 548674560, while the sum is 71.

The spelling of 283957449947 in words is "two hundred eighty-three billion, nine hundred fifty-seven million, four hundred forty-nine thousand, nine hundred forty-seven".