36679813 has 2 divisors, whose sum is σ = 36679814. Its totient is φ = 36679812.

The previous prime is 36679801. The next prime is 36679847. The reversal of 36679813 is 31897663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24275329 + 12404484 = 4927^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 36679813 - 2⁵ = 36679781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36679813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36619813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18339906 + 18339907.

It is an arithmetic number, because the mean of its divisors is an integer number (18339907).

Almost surely, 2^36679813 is an apocalyptic number.

It is an amenable number.

36679813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36679813 is an equidigital number, since it uses as much as digits as its factorization.

36679813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 36679813 is about 6056.3861336609. The cubic root of 36679813 is about 332.2581971974.

The spelling of 36679813 in words is "thirty-six million, six hundred seventy-nine thousand, eight hundred thirteen".