82645070269 has 16 divisors (see below), whose sum is σ = 84315014784. Its totient is φ = 80995262400.

The previous prime is 82645070251. The next prime is 82645070281. The reversal of 82645070269 is 96207054628.

It is a cyclic number.

It is not a de Polignac number, because 82645070269 - 2⁷ = 82645070141 is a prime.

It is a super-2 number, since 2×82645070269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82645070219) 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, 5024679 + ... + 5041099.

It is an arithmetic number, because the mean of its divisors is an integer number (5269688424).

Almost surely, 2^82645070269 is an apocalyptic number.

It is an amenable number.

82645070269 is a deficient number, since it is larger than the sum of its proper divisors (1669944515).

82645070269 is a wasteful number, since it uses less digits than its factorization.

82645070269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17028.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 82645070269 in words is "eighty-two billion, six hundred forty-five million, seventy thousand, two hundred sixty-nine".