19485553022441 has 4 divisors (see below), whose sum is σ = 21256966933584. Its totient is φ = 17714139111300.

The previous prime is 19485553022417. The next prime is 19485553022497. The reversal of 19485553022441 is 14422035558491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19485553022441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19485553082441) 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, 885706955555 + ... + 885706955576.

It is an arithmetic number, because the mean of its divisors is an integer number (5314241733396).

Almost surely, 2^{19485553022441} is an apocalyptic number.

19485553022441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19485553022441 is a deficient number, since it is larger than the sum of its proper divisors (1771413911143).

19485553022441 is a wasteful number, since it uses less digits than its factorization.

19485553022441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771413911142.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 19485553022441 in words is "nineteen trillion, four hundred eighty-five billion, five hundred fifty-three million, twenty-two thousand, four hundred forty-one".