38035721424021 has 8 divisors (see below), whose sum is σ = 50715026884704. Its totient is φ = 25356781789680.

The previous prime is 38035721423939. The next prime is 38035721424049. The reversal of 38035721424021 is 12042412753083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38035721424021 - 2⁹ = 38035721423509 is a prime.

It is a super-2 number, since 2×38035721424021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38035721424061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91213891 + ... + 91629936.

It is an arithmetic number, because the mean of its divisors is an integer number (6339378360588).

Almost surely, 2^{38035721424021} is an apocalyptic number.

It is an amenable number.

38035721424021 is a deficient number, since it is larger than the sum of its proper divisors (12679305460683).

38035721424021 is a wasteful number, since it uses less digits than its factorization.

38035721424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182913171.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 38035721424021 in words is "thirty-eight trillion, thirty-five billion, seven hundred twenty-one million, four hundred twenty-four thousand, twenty-one".