91474247419 has 4 divisors (see below), whose sum is σ = 91674410344. Its totient is φ = 91274084496.

The previous prime is 91474247369. The next prime is 91474247467.

91474247419 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 91474247419 - 2⁹ = 91474246907 is a prime.

It is a super-2 number, since 2×91474247419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91474247719) 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, 100080777 + ... + 100081690.

It is an arithmetic number, because the mean of its divisors is an integer number (22918602586).

Almost surely, 2^91474247419 is an apocalyptic number.

91474247419 is a deficient number, since it is larger than the sum of its proper divisors (200162925).

91474247419 is a wasteful number, since it uses less digits than its factorization.

91474247419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200162924.

The product of its digits is 2032128, while the sum is 52.

The spelling of 91474247419 in words is "ninety-one billion, four hundred seventy-four million, two hundred forty-seven thousand, four hundred nineteen".