84267609193 has 2 divisors, whose sum is σ = 84267609194. Its totient is φ = 84267609192.

The previous prime is 84267609157. The next prime is 84267609253. The reversal of 84267609193 is 39190676248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77814218304 + 6453390889 = 278952^2 + 80333^2 .

It is a cyclic number.

It is not a de Polignac number, because 84267609193 - 2²¹ = 84265512041 is a prime.

It is a super-2 number, since 2×84267609193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84267619193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42133804596 + 42133804597.

It is an arithmetic number, because the mean of its divisors is an integer number (42133804597).

Almost surely, 2^84267609193 is an apocalyptic number.

It is an amenable number.

84267609193 is a deficient number, since it is larger than the sum of its proper divisors (1).

84267609193 is an equidigital number, since it uses as much as digits as its factorization.

84267609193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 84267609193 in words is "eighty-four billion, two hundred sixty-seven million, six hundred nine thousand, one hundred ninety-three".