91252825219 has 4 divisors (see below), whose sum is σ = 92156318640. Its totient is φ = 90349331800.

The previous prime is 91252825193. The next prime is 91252825271.

91252825219 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 91252825219 - 2²¹ = 91250728067 is a prime.

It is a super-3 number, since 3×91252825219³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91252825619) 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, 451746559 + ... + 451746760.

It is an arithmetic number, because the mean of its divisors is an integer number (23039079660).

Almost surely, 2^91252825219 is an apocalyptic number.

91252825219 is a deficient number, since it is larger than the sum of its proper divisors (903493421).

91252825219 is a wasteful number, since it uses less digits than its factorization.

91252825219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903493420.

The product of its digits is 259200, while the sum is 46.

The spelling of 91252825219 in words is "ninety-one billion, two hundred fifty-two million, eight hundred twenty-five thousand, two hundred nineteen".