36518869 has 2 divisors, whose sum is σ = 36518870. Its totient is φ = 36518868.

The previous prime is 36518843. The next prime is 36518879. The reversal of 36518869 is 96881563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 877969 = 5970^2 + 937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36518869 is a prime.

It is a super-2 number, since 2×36518869² = 2667255586078322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36518879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18259434 + 18259435.

It is an arithmetic number, because the mean of its divisors is an integer number (18259435).

Almost surely, 2^36518869 is an apocalyptic number.

It is an amenable number.

36518869 is a deficient number, since it is larger than the sum of its proper divisors (1).

36518869 is an equidigital number, since it uses as much as digits as its factorization.

36518869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 36518869 is about 6043.0843945786. The cubic root of 36518869 is about 331.7715228956.

The spelling of 36518869 in words is "thirty-six million, five hundred eighteen thousand, eight hundred sixty-nine".