91941014919 has 8 divisors (see below), whose sum is σ = 132017867632. Its totient is φ = 56579086080.

The previous prime is 91941014917. The next prime is 91941014927.

91941014919 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 91941014919 - 2¹ = 91941014917 is a prime.

It is a super-2 number, since 2×91941014919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91941014911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178730922 + ... + 1178730999.

It is an arithmetic number, because the mean of its divisors is an integer number (16502233454).

Almost surely, 2^91941014919 is an apocalyptic number.

91941014919 is a deficient number, since it is larger than the sum of its proper divisors (40076852713).

91941014919 is a wasteful number, since it uses less digits than its factorization.

91941014919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357461937.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 91941014919 in words is "ninety-one billion, nine hundred forty-one million, fourteen thousand, nine hundred nineteen".