38305572091 has 8 divisors (see below), whose sum is σ = 38532131568. Its totient is φ = 38079600000.

The previous prime is 38305572089. The next prime is 38305572163. The reversal of 38305572091 is 19027550383.

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

It is a cyclic number.

It is not a de Polignac number, because 38305572091 - 2¹ = 38305572089 is a prime.

It is a super-2 number, since 2×38305572091² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38305572691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15690 + ... + 277231.

It is an arithmetic number, because the mean of its divisors is an integer number (4816516446).

Almost surely, 2^38305572091 is an apocalyptic number.

38305572091 is a deficient number, since it is larger than the sum of its proper divisors (226559477).

38305572091 is a wasteful number, since it uses less digits than its factorization.

38305572091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293693.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 38305572091 in words is "thirty-eight billion, three hundred five million, five hundred seventy-two thousand, ninety-one".