91828291922 has 4 divisors (see below), whose sum is σ = 137742437886. Its totient is φ = 45914145960.

The previous prime is 91828291921. The next prime is 91828291949. The reversal of 91828291922 is 22919282819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 91682389681 + 145902241 = 302791^2 + 12079^2 .

It is not an unprimeable number, because it can be changed into a prime (91828291921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22957072979 + ... + 22957072982.

Almost surely, 2^91828291922 is an apocalyptic number.

91828291922 is a deficient number, since it is larger than the sum of its proper divisors (45914145964).

91828291922 is a wasteful number, since it uses less digits than its factorization.

91828291922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45914145963.

The product of its digits is 746496, while the sum is 53.

The spelling of 91828291922 in words is "ninety-one billion, eight hundred twenty-eight million, two hundred ninety-one thousand, nine hundred twenty-two".