19912041480263 has 8 divisors (see below), whose sum is σ = 20052598723200. Its totient is φ = 19771809979768.

The previous prime is 19912041480241. The next prime is 19912041480299. The reversal of 19912041480263 is 36208414021991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19912041480263 - 2¹⁸ = 19912041218119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19912041485263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81312923 + ... + 81557436.

It is an arithmetic number, because the mean of its divisors is an integer number (2506574840400).

Almost surely, 2^{19912041480263} is an apocalyptic number.

19912041480263 is a deficient number, since it is larger than the sum of its proper divisors (140557242937).

19912041480263 is a wasteful number, since it uses less digits than its factorization.

19912041480263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162871221.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 19912041480263 in words is "nineteen trillion, nine hundred twelve billion, forty-one million, four hundred eighty thousand, two hundred sixty-three".