36869431 has 2 divisors, whose sum is σ = 36869432. Its totient is φ = 36869430.

The previous prime is 36869423. The next prime is 36869461. The reversal of 36869431 is 13496863.

36869431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13496863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36869431 - 2³ = 36869423 is a prime.

It is a super-2 number, since 2×36869431² = 2718709884527522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36869461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434715 + 18434716.

It is an arithmetic number, because the mean of its divisors is an integer number (18434716).

Almost surely, 2^36869431 is an apocalyptic number.

36869431 is a deficient number, since it is larger than the sum of its proper divisors (1).

36869431 is an equidigital number, since it uses as much as digits as its factorization.

36869431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 36869431 is about 6072.0203392281. The cubic root of 36869431 is about 332.8297548314.

The spelling of 36869431 in words is "thirty-six million, eight hundred sixty-nine thousand, four hundred thirty-one".