91842500049 has 8 divisors (see below), whose sum is σ = 122458095840. Its totient is φ = 61227618816.

The previous prime is 91842500039. The next prime is 91842500059. The reversal of 91842500049 is 94000524819.

It is an interprime number because it is at equal distance from previous prime (91842500039) and next prime (91842500059).

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

It is not a de Polignac number, because 91842500049 - 2⁴ = 91842500033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91842500039) 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, 320529 + ... + 535185.

It is an arithmetic number, because the mean of its divisors is an integer number (15307261980).

Almost surely, 2^91842500049 is an apocalyptic number.

It is an amenable number.

91842500049 is a deficient number, since it is larger than the sum of its proper divisors (30615595791).

91842500049 is a wasteful number, since it uses less digits than its factorization.

91842500049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357279.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 91842500049 in words is "ninety-one billion, eight hundred forty-two million, five hundred thousand, forty-nine".