19264794323311 has 4 divisors (see below), whose sum is σ = 19273920234624. Its totient is φ = 19255668412000.

The previous prime is 19264794323303. The next prime is 19264794323321. The reversal of 19264794323311 is 11332349746291.

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 19264794323311 - 2³ = 19264794323303 is a prime.

It is a super-2 number, since 2×19264794323311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19264794323321) 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, 4562952490 + ... + 4562956711.

It is an arithmetic number, because the mean of its divisors is an integer number (4818480058656).

Almost surely, 2^{19264794323311} is an apocalyptic number.

19264794323311 is a deficient number, since it is larger than the sum of its proper divisors (9125911313).

19264794323311 is an equidigital number, since it uses as much as digits as its factorization.

19264794323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125911312.

The product of its digits is 5878656, while the sum is 55.

The spelling of 19264794323311 in words is "nineteen trillion, two hundred sixty-four billion, seven hundred ninety-four million, three hundred twenty-three thousand, three hundred eleven".