36811468069 has 2 divisors, whose sum is σ = 36811468070. Its totient is φ = 36811468068.

The previous prime is 36811468061. The next prime is 36811468093. The reversal of 36811468069 is 96086411863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36495517444 + 315950625 = 191038^2 + 17775^2 .

It is a cyclic number.

It is not a de Polignac number, because 36811468069 - 2³ = 36811468061 is a prime.

It is a super-2 number, since 2×36811468069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36811468061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405734034 + 18405734035.

It is an arithmetic number, because the mean of its divisors is an integer number (18405734035).

Almost surely, 2^36811468069 is an apocalyptic number.

It is an amenable number.

36811468069 is a deficient number, since it is larger than the sum of its proper divisors (1).

36811468069 is an equidigital number, since it uses as much as digits as its factorization.

36811468069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 36811468069 in words is "thirty-six billion, eight hundred eleven million, four hundred sixty-eight thousand, sixty-nine".