84259167413 has 2 divisors, whose sum is σ = 84259167414. Its totient is φ = 84259167412.

The previous prime is 84259167373. The next prime is 84259167431. The reversal of 84259167413 is 31476195248.

It is a happy number.

Together with next prime (84259167431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83501927089 + 757240324 = 288967^2 + 27518^2 .

It is a cyclic number.

It is not a de Polignac number, because 84259167413 - 2²⁶ = 84192058549 is a prime.

It is a super-2 number, since 2×84259167413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84259167463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42129583706 + 42129583707.

It is an arithmetic number, because the mean of its divisors is an integer number (42129583707).

Almost surely, 2^84259167413 is an apocalyptic number.

It is an amenable number.

84259167413 is a deficient number, since it is larger than the sum of its proper divisors (1).

84259167413 is an equidigital number, since it uses as much as digits as its factorization.

84259167413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 84259167413 in words is "eighty-four billion, two hundred fifty-nine million, one hundred sixty-seven thousand, four hundred thirteen".