38273647988 has 6 divisors (see below), whose sum is σ = 66978883986. Its totient is φ = 19136823992.

The previous prime is 38273647981. The next prime is 38273647999. The reversal of 38273647988 is 88974637283.

It can be written as a sum of positive squares in only one way, i.e., 35204266384 + 3069381604 = 187628^2 + 55402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38273647981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4784205995 + ... + 4784206002.

It is an arithmetic number, because the mean of its divisors is an integer number (11163147331).

Almost surely, 2^38273647988 is an apocalyptic number.

It is an amenable number.

38273647988 is a deficient number, since it is larger than the sum of its proper divisors (28705235998).

38273647988 is a wasteful number, since it uses less digits than its factorization.

38273647988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568412001 (or 9568411999 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 65.

The spelling of 38273647988 in words is "thirty-eight billion, two hundred seventy-three million, six hundred forty-seven thousand, nine hundred eighty-eight".