84326964219145 has 4 divisors (see below), whose sum is σ = 101192357062980. Its totient is φ = 67461571375312.

The previous prime is 84326964219143. The next prime is 84326964219181. The reversal of 84326964219145 is 54191246962348.

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 41325213683961 + 43001750535184 = 6428469^2 + 6557572^2 .

It is a cyclic number.

It is not a de Polignac number, because 84326964219145 - 2¹ = 84326964219143 is a prime.

It is a super-2 number, since 2×84326964219145² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84326964219143) 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, 8432696421910 + ... + 8432696421919.

It is an arithmetic number, because the mean of its divisors is an integer number (25298089265745).

Almost surely, 2^{84326964219145} is an apocalyptic number.

It is an amenable number.

84326964219145 is a deficient number, since it is larger than the sum of its proper divisors (16865392843835).

84326964219145 is a wasteful number, since it uses less digits than its factorization.

84326964219145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865392843834.

The product of its digits is 89579520, while the sum is 64.

The spelling of 84326964219145 in words is "eighty-four trillion, three hundred twenty-six billion, nine hundred sixty-four million, two hundred nineteen thousand, one hundred forty-five".