1283469873 has 32 divisors (see below), whose sum is σ = 1974212352. Its totient is φ = 726528000.

The previous prime is 1283469871. The next prime is 1283469899. The reversal of 1283469873 is 3789643821.

It is not a de Polignac number, because 1283469873 - 2¹ = 1283469871 is a prime.

It is a super-2 number, since 2×1283469873² = 3294589829797272258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1283469871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456393 + ... + 1457273.

It is an arithmetic number, because the mean of its divisors is an integer number (61694136).

Almost surely, 2^1283469873 is an apocalyptic number.

It is an amenable number.

1283469873 is a deficient number, since it is larger than the sum of its proper divisors (690742479).

1283469873 is a wasteful number, since it uses less digits than its factorization.

1283469873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its digits is 1741824, while the sum is 51.

The square root of 1283469873 is about 35825.5477697132. The cubic root of 1283469873 is about 1086.7472743827.

The spelling of 1283469873 in words is "one billion, two hundred eighty-three million, four hundred sixty-nine thousand, eight hundred seventy-three".