934891582091 has 2 divisors, whose sum is σ = 934891582092. Its totient is φ = 934891582090.

The previous prime is 934891581937. The next prime is 934891582099. The reversal of 934891582091 is 190285198439.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-934891582091 is a prime.

It is a super-2 number, since 2×934891582091² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 934891582091.

It is not a weakly prime, because it can be changed into another prime (934891582099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467445791045 + 467445791046.

It is an arithmetic number, because the mean of its divisors is an integer number (467445791046).

Almost surely, 2^934891582091 is an apocalyptic number.

934891582091 is a deficient number, since it is larger than the sum of its proper divisors (1).

934891582091 is an equidigital number, since it uses as much as digits as its factorization.

934891582091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 934891582091 in words is "nine hundred thirty-four billion, eight hundred ninety-one million, five hundred eighty-two thousand, ninety-one".