84436093531 has 2 divisors, whose sum is σ = 84436093532. Its totient is φ = 84436093530.

The previous prime is 84436093507. The next prime is 84436093559. The reversal of 84436093531 is 13539063448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84436093531 - 2³¹ = 82288609883 is a prime.

It is a super-2 number, since 2×84436093531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84436093331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42218046765 + 42218046766.

It is an arithmetic number, because the mean of its divisors is an integer number (42218046766).

Almost surely, 2^84436093531 is an apocalyptic number.

84436093531 is a deficient number, since it is larger than the sum of its proper divisors (1).

84436093531 is an equidigital number, since it uses as much as digits as its factorization.

84436093531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 84436093531 in words is "eighty-four billion, four hundred thirty-six million, ninety-three thousand, five hundred thirty-one".