91241949027 has 16 divisors (see below), whose sum is σ = 122488375040. Its totient is φ = 60412109472.

The previous prime is 91241949011. The next prime is 91241949037. The reversal of 91241949027 is 72094914219.

It is not a de Polignac number, because 91241949027 - 2⁴ = 91241949011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91241949037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981858 + ... + 1070760.

It is an arithmetic number, because the mean of its divisors is an integer number (7655523440).

Almost surely, 2^91241949027 is an apocalyptic number.

91241949027 is a deficient number, since it is larger than the sum of its proper divisors (31246426013).

91241949027 is a wasteful number, since it uses less digits than its factorization.

91241949027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91242.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 91241949027 in words is "ninety-one billion, two hundred forty-one million, nine hundred forty-nine thousand, twenty-seven".