919272272919 has 96 divisors (see below), whose sum is σ = 1678535824896. Its totient is φ = 439899828480.

The previous prime is 919272272881. The next prime is 919272272923.

It is a happy number.

919272272919 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 919272272919 - 2⁷ = 919272272791 is a prime.

It is a super-2 number, since 2×919272272919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919272272969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10192329 + ... + 10282125.

It is an arithmetic number, because the mean of its divisors is an integer number (17484748176).

Almost surely, 2^919272272919 is an apocalyptic number.

919272272919 is a deficient number, since it is larger than the sum of its proper divisors (759263551977).

919272272919 is a wasteful number, since it uses less digits than its factorization.

919272272919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90325 (or 90318 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 60.

The spelling of 919272272919 in words is "nine hundred nineteen billion, two hundred seventy-two million, two hundred seventy-two thousand, nine hundred nineteen".