36494858909 has 2 divisors, whose sum is σ = 36494858910. Its totient is φ = 36494858908.

The previous prime is 36494858891. The next prime is 36494858947. The reversal of 36494858909 is 90985849463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27762890884 + 8731968025 = 166622^2 + 93445^2 .

It is an emirp because it is prime and its reverse (90985849463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36494858909 - 2¹⁶ = 36494793373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36494858989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18247429454 + 18247429455.

It is an arithmetic number, because the mean of its divisors is an integer number (18247429455).

Almost surely, 2^36494858909 is an apocalyptic number.

It is an amenable number.

36494858909 is a deficient number, since it is larger than the sum of its proper divisors (1).

36494858909 is an equidigital number, since it uses as much as digits as its factorization.

36494858909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 36494858909 in words is "thirty-six billion, four hundred ninety-four million, eight hundred fifty-eight thousand, nine hundred nine".