40986535521959 has 2 divisors, whose sum is σ = 40986535521960. Its totient is φ = 40986535521958.

The previous prime is 40986535521941. The next prime is 40986535522021. The reversal of 40986535521959 is 95912553568904.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40986535521959 is a prime.

It is a super-3 number, since 3×40986535521959³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40986535521892 and 40986535521901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40986535571959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20493267760979 + 20493267760980.

It is an arithmetic number, because the mean of its divisors is an integer number (20493267760980).

Almost surely, 2^{40986535521959} is an apocalyptic number.

40986535521959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40986535521959 is an equidigital number, since it uses as much as digits as its factorization.

40986535521959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880000, while the sum is 71.

The spelling of 40986535521959 in words is "forty trillion, nine hundred eighty-six billion, five hundred thirty-five million, five hundred twenty-one thousand, nine hundred fifty-nine".