38212783994 has 32 divisors (see below), whose sum is σ = 71706854016. Its totient is φ = 14837267520.

The previous prime is 38212783969. The next prime is 38212783997. The reversal of 38212783994 is 49938721283.

It is not an unprimeable number, because it can be changed into a prime (38212783997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378317 + ... + 468560.

It is an arithmetic number, because the mean of its divisors is an integer number (2240839188).

Almost surely, 2^38212783994 is an apocalyptic number.

38212783994 is a deficient number, since it is larger than the sum of its proper divisors (33494070022).

38212783994 is a wasteful number, since it uses less digits than its factorization.

38212783994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847190.

The product of its digits is 5225472, while the sum is 56.

The spelling of 38212783994 in words is "thirty-eight billion, two hundred twelve million, seven hundred eighty-three thousand, nine hundred ninety-four".