38502097091 has 2 divisors, whose sum is σ = 38502097092. Its totient is φ = 38502097090.

The previous prime is 38502097031. The next prime is 38502097157. The reversal of 38502097091 is 19079020583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38502097091 - 2⁶ = 38502097027 is a prime.

It is a super-2 number, since 2×38502097091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38502097031) 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 as a sum of consecutive naturals, namely, 19251048545 + 19251048546.

It is an arithmetic number, because the mean of its divisors is an integer number (19251048546).

Almost surely, 2^38502097091 is an apocalyptic number.

38502097091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38502097091 is an equidigital number, since it uses as much as digits as its factorization.

38502097091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 38502097091 in words is "thirty-eight billion, five hundred two million, ninety-seven thousand, ninety-one".