1283493416 has 8 divisors (see below), whose sum is σ = 2406550170. Its totient is φ = 641746704.

The previous prime is 1283493413. The next prime is 1283493461. The reversal of 1283493416 is 6143943821.

It can be written as a sum of positive squares in only one way, i.e., 932080900 + 351412516 = 30530^2 + 18746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1283493413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80218331 + ... + 80218346.

Almost surely, 2^1283493416 is an apocalyptic number.

It is an amenable number.

1283493416 is a deficient number, since it is larger than the sum of its proper divisors (1123056754).

1283493416 is a wasteful number, since it uses less digits than its factorization.

1283493416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160436683 (or 160436679 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 1283493416 is about 35825.8763465739. The cubic root of 1283493416 is about 1086.7539191653.

The spelling of 1283493416 in words is "one billion, two hundred eighty-three million, four hundred ninety-three thousand, four hundred sixteen".