38113633 has 2 divisors, whose sum is σ = 38113634. Its totient is φ = 38113632.

The previous prime is 38113631. The next prime is 38113693. The reversal of 38113633 is 33631183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 16136289 = 4688^2 + 4017^2 .

It is an emirp because it is prime and its reverse (33631183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38113633 - 2¹ = 38113631 is a prime.

Together with 38113631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38113631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19056816 + 19056817.

It is an arithmetic number, because the mean of its divisors is an integer number (19056817).

Almost surely, 2^38113633 is an apocalyptic number.

It is an amenable number.

38113633 is a deficient number, since it is larger than the sum of its proper divisors (1).

38113633 is an equidigital number, since it uses as much as digits as its factorization.

38113633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 38113633 is about 6173.6239762396. The cubic root of 38113633 is about 336.5323224179.

The spelling of 38113633 in words is "thirty-eight million, one hundred thirteen thousand, six hundred thirty-three".