38383738384 has 20 divisors (see below), whose sum is σ = 74677083580. Its totient is φ = 19112232960.

The previous prime is 38383738373. The next prime is 38383738391. The reversal of 38383738384 is 48383738383.

It can be written as a sum of positive squares in 2 ways, for example, as 14056473600 + 24327264784 = 118560^2 + 155972^2 .

It is a super-2 number, since 2×38383738384² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973289 + ... + 4981000.

It is an arithmetic number, because the mean of its divisors is an integer number (3733854179).

Almost surely, 2^38383738384 is an apocalyptic number.

It is an amenable number.

38383738384 is a deficient number, since it is larger than the sum of its proper divisors (36293345196).

38383738384 is a wasteful number, since it uses less digits than its factorization.

38383738384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954538 (or 9954532 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 58.

Subtracting 38383738384 from its reverse (48383738383), we obtain a palindrome (9999999999).

It can be divided in two parts, 3 and 8383738384, that multiplied together give a palindrome (25151215152).

The spelling of 38383738384 in words is "thirty-eight billion, three hundred eighty-three million, seven hundred thirty-eight thousand, three hundred eighty-four".