91194211948 has 12 divisors (see below), whose sum is σ = 182388423952. Its totient is φ = 39083233680.

The previous prime is 91194211903. The next prime is 91194211949. The reversal of 91194211948 is 84911249119.

91194211948 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91194211949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628468043 + ... + 1628468098.

Almost surely, 2^91194211948 is an apocalyptic number.

It is an amenable number.

91194211948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91194211948 is a wasteful number, since it uses less digits than its factorization.

91194211948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256936152 (or 3256936150 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The spelling of 91194211948 in words is "ninety-one billion, one hundred ninety-four million, two hundred eleven thousand, nine hundred forty-eight".