86214381541 has 2 divisors, whose sum is σ = 86214381542. Its totient is φ = 86214381540.

The previous prime is 86214381509. The next prime is 86214381601. The reversal of 86214381541 is 14518341268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84537888516 + 1676493025 = 290754^2 + 40945^2 .

It is a cyclic number.

It is not a de Polignac number, because 86214381541 - 2⁵ = 86214381509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86214381641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43107190770 + 43107190771.

It is an arithmetic number, because the mean of its divisors is an integer number (43107190771).

Almost surely, 2^86214381541 is an apocalyptic number.

It is an amenable number.

86214381541 is a deficient number, since it is larger than the sum of its proper divisors (1).

86214381541 is an equidigital number, since it uses as much as digits as its factorization.

86214381541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 43.

The spelling of 86214381541 in words is "eighty-six billion, two hundred fourteen million, three hundred eighty-one thousand, five hundred forty-one".