38253861766 has 4 divisors (see below), whose sum is σ = 57380792652. Its totient is φ = 19126930882.

The previous prime is 38253861743. The next prime is 38253861769. The reversal of 38253861766 is 66716835283.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38253861769) 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, 9563465440 + ... + 9563465443.

It is an arithmetic number, because the mean of its divisors is an integer number (14345198163).

Almost surely, 2^38253861766 is an apocalyptic number.

38253861766 is a deficient number, since it is larger than the sum of its proper divisors (19126930886).

38253861766 is a wasteful number, since it uses less digits than its factorization.

38253861766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19126930885.

The product of its digits is 8709120, while the sum is 55.

The spelling of 38253861766 in words is "thirty-eight billion, two hundred fifty-three million, eight hundred sixty-one thousand, seven hundred sixty-six".