1283791164 has 24 divisors (see below), whose sum is σ = 3153171840. Its totient is φ = 405407664.

The previous prime is 1283791163. The next prime is 1283791199. The reversal of 1283791164 is 4611973821.

It is a happy number.

It is a super-3 number, since 3×1283791164³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283791163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815104 + ... + 2815559.

It is an arithmetic number, because the mean of its divisors is an integer number (131382160).

Almost surely, 2^1283791164 is an apocalyptic number.

It is an amenable number.

1283791164 is an abundant number, since it is smaller than the sum of its proper divisors (1869380676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283791164 is a wasteful number, since it uses less digits than its factorization.

1283791164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630689 (or 5630687 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1283791164 is about 35830.0315936227. The cubic root of 1283791164 is about 1086.8379486283.

The spelling of 1283791164 in words is "one billion, two hundred eighty-three million, seven hundred ninety-one thousand, one hundred sixty-four".