86394422419601 has 4 divisors (see below), whose sum is σ = 89373540434100. Its totient is φ = 83415304405104.

The previous prime is 86394422419589. The next prime is 86394422419607. The reversal of 86394422419601 is 10691422449368.

It is a happy number.

It is a Cunningham number, because it is equal to 9294860²+1.

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 45303130177600 + 41091292242001 = 6730760^2 + 6410249^2 .

It is a cyclic number.

It is not a de Polignac number, because 86394422419601 - 2¹⁸ = 86394422157457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86394422419607) 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, 1489559007206 + ... + 1489559007263.

It is an arithmetic number, because the mean of its divisors is an integer number (22343385108525).

Almost surely, 2^{86394422419601} is an apocalyptic number.

It is an amenable number.

86394422419601 is a deficient number, since it is larger than the sum of its proper divisors (2979118014499).

86394422419601 is a wasteful number, since it uses less digits than its factorization.

86394422419601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979118014498.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 86394422419601 in words is "eighty-six trillion, three hundred ninety-four billion, four hundred twenty-two million, four hundred nineteen thousand, six hundred one".