919491304011 has 32 divisors (see below), whose sum is σ = 1448717695488. Its totient is φ = 507817608960.

The previous prime is 919491303967. The next prime is 919491304031. The reversal of 919491304011 is 110403194919.

It is not a de Polignac number, because 919491304011 - 2⁶ = 919491303947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (919491304031) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 4898220 + ... + 5082473.

It is an arithmetic number, because the mean of its divisors is an integer number (45272427984).

Almost surely, 2^919491304011 is an apocalyptic number.

919491304011 is a deficient number, since it is larger than the sum of its proper divisors (529226391477).

919491304011 is a wasteful number, since it uses less digits than its factorization.

919491304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980851.

The product of its (nonzero) digits is 34992, while the sum is 42.

The spelling of 919491304011 in words is "nine hundred nineteen billion, four hundred ninety-one million, three hundred four thousand, eleven".