1282773849 has 16 divisors (see below), whose sum is σ = 2022107520. Its totient is φ = 707736960.

The previous prime is 1282773823. The next prime is 1282773859. The reversal of 1282773849 is 9483772821.

It is not a de Polignac number, because 1282773849 - 2¹⁵ = 1282741081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1282773859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052572 + ... + 1053789.

It is an arithmetic number, because the mean of its divisors is an integer number (126381720).

Almost surely, 2^1282773849 is an apocalyptic number.

It is an amenable number.

1282773849 is a deficient number, since it is larger than the sum of its proper divisors (739333671).

1282773849 is a wasteful number, since it uses less digits than its factorization.

1282773849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106400.

The product of its digits is 1354752, while the sum is 51.

The square root of 1282773849 is about 35815.8323789913. The cubic root of 1282773849 is about 1086.5507916619.

The spelling of 1282773849 in words is "one billion, two hundred eighty-two million, seven hundred seventy-three thousand, eight hundred forty-nine".