36425781247 has 4 divisors (see below), whose sum is σ = 36444023496. Its totient is φ = 36407539000.

The previous prime is 36425781241. The next prime is 36425781307. The reversal of 36425781247 is 74218752463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36425781247 - 2²⁷ = 36291563519 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36425781247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36425781241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9118129 + ... + 9122122.

It is an arithmetic number, because the mean of its divisors is an integer number (9111005874).

Almost surely, 2^36425781247 is an apocalyptic number.

36425781247 is a deficient number, since it is larger than the sum of its proper divisors (18242249).

36425781247 is a wasteful number, since it uses less digits than its factorization.

36425781247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18242248.

The product of its digits is 2257920, while the sum is 49.

The spelling of 36425781247 in words is "thirty-six billion, four hundred twenty-five million, seven hundred eighty-one thousand, two hundred forty-seven".