36390519905 has 8 divisors (see below), whose sum is σ = 44848857192. Its totient is φ = 28325593728.

The previous prime is 36390519871. The next prime is 36390519911. The reversal of 36390519905 is 50991509363.

It can be written as a sum of positive squares in 4 ways, for example, as 7287524689 + 29102995216 = 85367^2 + 170596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36390519905 - 2¹⁰ = 36390518881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98352572 + ... + 98352941.

It is an arithmetic number, because the mean of its divisors is an integer number (5606107149).

Almost surely, 2^36390519905 is an apocalyptic number.

It is an amenable number.

36390519905 is a deficient number, since it is larger than the sum of its proper divisors (8458337287).

36390519905 is a wasteful number, since it uses less digits than its factorization.

36390519905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196705555.

The product of its (nonzero) digits is 984150, while the sum is 50.

The spelling of 36390519905 in words is "thirty-six billion, three hundred ninety million, five hundred nineteen thousand, nine hundred five".