1283721483 has 16 divisors (see below), whose sum is σ = 1868391936. Its totient is φ = 777529440.

The previous prime is 1283721463. The next prime is 1283721499. The reversal of 1283721483 is 3841273821.

It is not a de Polignac number, because 1283721483 - 2⁸ = 1283721227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1283721403) 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, 45966 + ... + 68412.

It is an arithmetic number, because the mean of its divisors is an integer number (116774496).

Almost surely, 2^1283721483 is an apocalyptic number.

1283721483 is a deficient number, since it is larger than the sum of its proper divisors (584670453).

1283721483 is a wasteful number, since it uses less digits than its factorization.

1283721483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24194.

The product of its digits is 64512, while the sum is 39.

The square root of 1283721483 is about 35829.0591978076. The cubic root of 1283721483 is about 1086.8182846498.

The spelling of 1283721483 in words is "one billion, two hundred eighty-three million, seven hundred twenty-one thousand, four hundred eighty-three".