1283249695 has 64 divisors (see below), whose sum is σ = 2020515840. Its totient is φ = 760117248.

The previous prime is 1283249687. The next prime is 1283249701. The reversal of 1283249695 is 5969423821.

1283249695 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1283249695 - 2³ = 1283249687 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 490551 + ... + 493159.

It is an arithmetic number, because the mean of its divisors is an integer number (31570560).

Almost surely, 2^1283249695 is an apocalyptic number.

1283249695 is a deficient number, since it is larger than the sum of its proper divisors (737266145).

1283249695 is a wasteful number, since it uses less digits than its factorization.

1283249695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704.

The product of its digits is 933120, while the sum is 49.

The square root of 1283249695 is about 35822.4747190922. The cubic root of 1283249695 is about 1086.6851273519.

The spelling of 1283249695 in words is "one billion, two hundred eighty-three million, two hundred forty-nine thousand, six hundred ninety-five".