91769008346 has 4 divisors (see below), whose sum is σ = 137653512522. Its totient is φ = 45884504172.

The previous prime is 91769008273. The next prime is 91769008351. The reversal of 91769008346 is 64380096719.

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

It can be written as a sum of positive squares in only one way, i.e., 88301094025 + 3467914321 = 297155^2 + 58889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22942252085 + ... + 22942252088.

Almost surely, 2^91769008346 is an apocalyptic number.

91769008346 is a deficient number, since it is larger than the sum of its proper divisors (45884504176).

91769008346 is a wasteful number, since it uses less digits than its factorization.

91769008346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45884504175.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 91769008346 in words is "ninety-one billion, seven hundred sixty-nine million, eight thousand, three hundred forty-six".