36494623789 has 16 divisors (see below), whose sum is σ = 39589527600. Its totient is φ = 33441085440.

The previous prime is 36494623757. The next prime is 36494623801. The reversal of 36494623789 is 98732649463.

It can be written as a sum of positive squares in 8 ways, for example, as 3737243689 + 32757380100 = 61133^2 + 180990^2 .

It is a cyclic number.

It is not a de Polignac number, because 36494623789 - 2⁵ = 36494623757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36494623589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3902259 + ... + 3911599.

It is an arithmetic number, because the mean of its divisors is an integer number (2474345475).

Almost surely, 2^36494623789 is an apocalyptic number.

It is an amenable number.

36494623789 is a deficient number, since it is larger than the sum of its proper divisors (3094903811).

36494623789 is a wasteful number, since it uses less digits than its factorization.

36494623789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520.

The product of its digits is 47029248, while the sum is 61.

The spelling of 36494623789 in words is "thirty-six billion, four hundred ninety-four million, six hundred twenty-three thousand, seven hundred eighty-nine".