65635038238 has 32 divisors (see below), whose sum is σ = 126705604608. Its totient is φ = 24747184800.

The previous prime is 65635038197. The next prime is 65635038239. The reversal of 65635038238 is 83283053656.

It is a junction number, because it is equal to n+sod(n) for n = 65635038191 and 65635038200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65635038239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869445 + ... + 6878992.

It is an arithmetic number, because the mean of its divisors is an integer number (3959550144).

Almost surely, 2^65635038238 is an apocalyptic number.

65635038238 is a deficient number, since it is larger than the sum of its proper divisors (61070566370).

65635038238 is a wasteful number, since it uses less digits than its factorization.

65635038238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13748488.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 65635038238 in words is "sixty-five billion, six hundred thirty-five million, thirty-eight thousand, two hundred thirty-eight".