38678651833154 has 4 divisors (see below), whose sum is σ = 58017977749734. Its totient is φ = 19339325916576.

The previous prime is 38678651833153. The next prime is 38678651833183. The reversal of 38678651833154 is 45133815687683.

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

It can be written as a sum of positive squares in only one way, i.e., 37108479938929 + 1570171894225 = 6091673^2 + 1253065^2 .

It is not an unprimeable number, because it can be changed into a prime (38678651833153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9669662958287 + ... + 9669662958290.

Almost surely, 2^{38678651833154} is an apocalyptic number.

38678651833154 is a deficient number, since it is larger than the sum of its proper divisors (19339325916580).

38678651833154 is a wasteful number, since it uses less digits than its factorization.

38678651833154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339325916579.

The product of its digits is 348364800, while the sum is 68.

The spelling of 38678651833154 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, eight hundred thirty-three thousand, one hundred fifty-four".