93808164938 has 4 divisors (see below), whose sum is σ = 140712247410. Its totient is φ = 46904082468.

The previous prime is 93808164937. The next prime is 93808164971. The reversal of 93808164938 is 83946180839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50069880169 + 43738284769 = 223763^2 + 209137^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93808164937) 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 as a sum of consecutive naturals, namely, 23452041233 + ... + 23452041236.

Almost surely, 2^93808164938 is an apocalyptic number.

93808164938 is a deficient number, since it is larger than the sum of its proper divisors (46904082472).

93808164938 is a wasteful number, since it uses less digits than its factorization.

93808164938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46904082471.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 93808164938 in words is "ninety-three billion, eight hundred eight million, one hundred sixty-four thousand, nine hundred thirty-eight".