91428695153 has 4 divisors (see below), whose sum is σ = 96240731760. Its totient is φ = 86616658548.

The previous prime is 91428695147. The next prime is 91428695207. The reversal of 91428695153 is 35159682419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91428695153 - 2⁸ = 91428694897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91428695095 and 91428695104.

It is not an unprimeable number, because it can be changed into a prime (91428695123) 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, 2406018275 + ... + 2406018312.

It is an arithmetic number, because the mean of its divisors is an integer number (24060182940).

Almost surely, 2^91428695153 is an apocalyptic number.

It is an amenable number.

91428695153 is a deficient number, since it is larger than the sum of its proper divisors (4812036607).

91428695153 is a wasteful number, since it uses less digits than its factorization.

91428695153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812036606.

The product of its digits is 2332800, while the sum is 53.

The spelling of 91428695153 in words is "ninety-one billion, four hundred twenty-eight million, six hundred ninety-five thousand, one hundred fifty-three".