1287493700283 has 48 divisors (see below), whose sum is σ = 2162212302016. Its totient is φ = 722985419520.

The previous prime is 1287493700261. The next prime is 1287493700303. The reversal of 1287493700283 is 3820073947821.

1287493700283 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 493 + 70 + 0 + 2 + 83 = 666.

It is not a de Polignac number, because 1287493700283 - 2¹⁷ = 1287493569211 is a prime.

It is a super-2 number, since 2×1287493700283² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1287493700083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4047141 + ... + 4353657.

Almost surely, 2^{1287493700283} is an apocalyptic number.

1287493700283 is a deficient number, since it is larger than the sum of its proper divisors (874718601733).

1287493700283 is a wasteful number, since it uses less digits than its factorization.

1287493700283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307684 (or 307681 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 1287493700283 in words is "one trillion, two hundred eighty-seven billion, four hundred ninety-three million, seven hundred thousand, two hundred eighty-three".