36478369 has 2 divisors, whose sum is σ = 36478370. Its totient is φ = 36478368.

The previous prime is 36478367. The next prime is 36478373. The reversal of 36478369 is 96387463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 16120225 = 4512^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 36478369 - 2¹ = 36478367 is a prime.

It is a super-2 number, since 2×36478369² = 2661342809800322, which contains 22 as substring.

Together with 36478367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36478367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18239184 + 18239185.

It is an arithmetic number, because the mean of its divisors is an integer number (18239185).

Almost surely, 2^36478369 is an apocalyptic number.

It is an amenable number.

36478369 is a deficient number, since it is larger than the sum of its proper divisors (1).

36478369 is an equidigital number, since it uses as much as digits as its factorization.

36478369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 36478369 is about 6039.7325271903. The cubic root of 36478369 is about 331.6488309166.

The spelling of 36478369 in words is "thirty-six million, four hundred seventy-eight thousand, three hundred sixty-nine".