8428283965 has 4 divisors (see below), whose sum is σ = 10113940764. Its totient is φ = 6742627168.

The previous prime is 8428283957. The next prime is 8428283971. The reversal of 8428283965 is 5693828248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1130169924 + 7298114041 = 33618^2 + 85429^2 .

It is a cyclic number.

It is not a de Polignac number, because 8428283965 - 2³ = 8428283957 is a prime.

It is a super-2 number, since 2×8428283965² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842828392 + ... + 842828401.

It is an arithmetic number, because the mean of its divisors is an integer number (2528485191).

Almost surely, 2^8428283965 is an apocalyptic number.

It is an amenable number.

8428283965 is a deficient number, since it is larger than the sum of its proper divisors (1685656799).

8428283965 is a wasteful number, since it uses less digits than its factorization.

8428283965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685656798.

The product of its digits is 6635520, while the sum is 55.

The square root of 8428283965 is about 91805.6859077911. The cubic root of 8428283965 is about 2035.0717226259.

It can be divided in two parts, 8428283 and 965, that added together give a palindrome (8429248).

The spelling of 8428283965 in words is "eight billion, four hundred twenty-eight million, two hundred eighty-three thousand, nine hundred sixty-five".