38554118621 has 16 divisors (see below), whose sum is σ = 40489994880. Its totient is φ = 36640169280.

The previous prime is 38554118611. The next prime is 38554118651. The reversal of 38554118621 is 12681145583.

It is a cyclic number.

It is not a de Polignac number, because 38554118621 - 2⁶ = 38554118557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38554118611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9312770 + ... + 9316908.

It is an arithmetic number, because the mean of its divisors is an integer number (2530624680).

Almost surely, 2^38554118621 is an apocalyptic number.

It is an amenable number.

38554118621 is a deficient number, since it is larger than the sum of its proper divisors (1935876259).

38554118621 is a wasteful number, since it uses less digits than its factorization.

38554118621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676.

The product of its digits is 230400, while the sum is 44.

The spelling of 38554118621 in words is "thirty-eight billion, five hundred fifty-four million, one hundred eighteen thousand, six hundred twenty-one".