38428853450121 has 16 divisors (see below), whose sum is σ = 57113524960320. Its totient is φ = 25537385034720.

The previous prime is 38428853450033. The next prime is 38428853450159. The reversal of 38428853450121 is 12105435882483.

It is a happy number.

38428853450121 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 8 + 85 + 34 + 501 + 21 = 666.

It is not a de Polignac number, because 38428853450121 - 2⁷ = 38428853449993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38428853450191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273619135 + ... + 2273636036.

It is an arithmetic number, because the mean of its divisors is an integer number (3569595310020).

Almost surely, 2^{38428853450121} is an apocalyptic number.

It is an amenable number.

38428853450121 is a deficient number, since it is larger than the sum of its proper divisors (18684671510199).

38428853450121 is a wasteful number, since it uses less digits than its factorization.

38428853450121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547255493 (or 4547255487 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 38428853450121 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred fifty-three million, four hundred fifty thousand, one hundred twenty-one".