38945962102 has 4 divisors (see below), whose sum is σ = 58418943156. Its totient is φ = 19472981050.

The previous prime is 38945962051. The next prime is 38945962117. The reversal of 38945962102 is 20126954983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20126954983 = 4091 ⋅4919813.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9736490524 + ... + 9736490527.

It is an arithmetic number, because the mean of its divisors is an integer number (14604735789).

Almost surely, 2^38945962102 is an apocalyptic number.

38945962102 is a deficient number, since it is larger than the sum of its proper divisors (19472981054).

38945962102 is a wasteful number, since it uses less digits than its factorization.

38945962102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472981053.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 38945962102 in words is "thirty-eight billion, nine hundred forty-five million, nine hundred sixty-two thousand, one hundred two".