38392253866 has 4 divisors (see below), whose sum is σ = 57588380802. Its totient is φ = 19196126932.

The previous prime is 38392253857. The next prime is 38392253873. The reversal of 38392253866 is 66835229383.

38392253866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66835229383 = 13 ⋅5141171491.

It can be written as a sum of positive squares in only one way, i.e., 20602296225 + 17789957641 = 143535^2 + 133379^2 .

It is a super-2 number, since 2×38392253866² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9598063465 + ... + 9598063468.

Almost surely, 2^38392253866 is an apocalyptic number.

38392253866 is a deficient number, since it is larger than the sum of its proper divisors (19196126936).

38392253866 is a wasteful number, since it uses less digits than its factorization.

38392253866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19196126935.

The product of its digits is 11197440, while the sum is 55.

The spelling of 38392253866 in words is "thirty-eight billion, three hundred ninety-two million, two hundred fifty-three thousand, eight hundred sixty-six".