38842497794 has 4 divisors (see below), whose sum is σ = 58263746694. Its totient is φ = 19421248896.

The previous prime is 38842497779. The next prime is 38842497809. The reversal of 38842497794 is 49779424883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49779424883 = 23 ⋅2164322821.

It is an interprime number because it is at equal distance from previous prime (38842497779) and next prime (38842497809).

It can be written as a sum of positive squares in only one way, i.e., 36098100025 + 2744397769 = 189995^2 + 52387^2 .

It is a super-3 number, since 3×38842497794³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38842497794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9710624447 + ... + 9710624450.

Almost surely, 2^38842497794 is an apocalyptic number.

38842497794 is a deficient number, since it is larger than the sum of its proper divisors (19421248900).

38842497794 is a wasteful number, since it uses less digits than its factorization.

38842497794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19421248899.

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

The spelling of 38842497794 in words is "thirty-eight billion, eight hundred forty-two million, four hundred ninety-seven thousand, seven hundred ninety-four".