36089639 has 2 divisors, whose sum is σ = 36089640. Its totient is φ = 36089638.

The previous prime is 36089621. The next prime is 36089653. The reversal of 36089639 is 93698063.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36089639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36089639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36089609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18044819 + 18044820.

It is an arithmetic number, because the mean of its divisors is an integer number (18044820).

Almost surely, 2^36089639 is an apocalyptic number.

36089639 is a deficient number, since it is larger than the sum of its proper divisors (1).

36089639 is an equidigital number, since it uses as much as digits as its factorization.

36089639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 36089639 is about 6007.4652724756. The cubic root of 36089639 is about 330.4665546432.

The spelling of 36089639 in words is "thirty-six million, eighty-nine thousand, six hundred thirty-nine".