91469463 has 4 divisors (see below), whose sum is σ = 121959288. Its totient is φ = 60979640.

The previous prime is 91469453. The next prime is 91469479. The reversal of 91469463 is 36496419.

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 91469463 - 2⁴ = 91469447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91469453) 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 3 ways as a sum of consecutive naturals, for example, 15244908 + ... + 15244913.

It is an arithmetic number, because the mean of its divisors is an integer number (30489822).

Almost surely, 2^91469463 is an apocalyptic number.

91469463 is a deficient number, since it is larger than the sum of its proper divisors (30489825).

91469463 is a wasteful number, since it uses less digits than its factorization.

91469463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30489824.

The product of its digits is 139968, while the sum is 42.

The square root of 91469463 is about 9563.9669070946. The cubic root of 91469463 is about 450.5663043170.

The spelling of 91469463 in words is "ninety-one million, four hundred sixty-nine thousand, four hundred sixty-three".