84442646269 has 4 divisors (see below), whose sum is σ = 88114065696. Its totient is φ = 80771226844.

The previous prime is 84442646263. The next prime is 84442646291. The reversal of 84442646269 is 96264624448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84442646269 - 2⁵ = 84442646237 is a prime.

It is a super-2 number, since 2×84442646269² (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 (84442646263) 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, 1835709679 + ... + 1835709724.

It is an arithmetic number, because the mean of its divisors is an integer number (22028516424).

Almost surely, 2^84442646269 is an apocalyptic number.

It is an amenable number.

84442646269 is a deficient number, since it is larger than the sum of its proper divisors (3671419427).

84442646269 is a wasteful number, since it uses less digits than its factorization.

84442646269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671419426.

The product of its digits is 15925248, while the sum is 55.

The spelling of 84442646269 in words is "eighty-four billion, four hundred forty-two million, six hundred forty-six thousand, two hundred sixty-nine".