36561319629 has 8 divisors (see below), whose sum is σ = 48895703712. Its totient is φ = 24300574320.

The previous prime is 36561319591. The next prime is 36561319643. The reversal of 36561319629 is 92691316563.

It is a happy number.

36561319629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 36561319629 - 2⁹ = 36561319117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561319649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18408534 + ... + 18410519.

It is an arithmetic number, because the mean of its divisors is an integer number (6111962964).

Almost surely, 2^36561319629 is an apocalyptic number.

It is an amenable number.

36561319629 is a deficient number, since it is larger than the sum of its proper divisors (12334384083).

36561319629 is a wasteful number, since it uses less digits than its factorization.

36561319629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36819387.

The product of its digits is 1574640, while the sum is 51.

The spelling of 36561319629 in words is "thirty-six billion, five hundred sixty-one million, three hundred nineteen thousand, six hundred twenty-nine".