82425366419 has 4 divisors (see below), whose sum is σ = 89918581560. Its totient is φ = 74932151280.

The previous prime is 82425366343. The next prime is 82425366421. The reversal of 82425366419 is 91466352428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82425366419 is a prime.

It is a super-2 number, since 2×82425366419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82425366449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746607554 + ... + 3746607575.

It is an arithmetic number, because the mean of its divisors is an integer number (22479645390).

Almost surely, 2^82425366419 is an apocalyptic number.

82425366419 is a deficient number, since it is larger than the sum of its proper divisors (7493215141).

82425366419 is a wasteful number, since it uses less digits than its factorization.

82425366419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493215140.

The product of its digits is 2488320, while the sum is 50.

It can be divided in two parts, 82425 and 366419, that added together give a palindrome (448844).

The spelling of 82425366419 in words is "eighty-two billion, four hundred twenty-five million, three hundred sixty-six thousand, four hundred nineteen".