19548441935044 has 27 divisors (see below), whose sum is σ = 37602665289903. Its totient is φ = 8885611211400.

The previous prime is 19548441935021. The next prime is 19548441935059. The reversal of 19548441935044 is 44053914484591.

It is a happy number.

The square root of 19548441935044 is 4421362.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 97169479 + ... + 97370449.

Almost surely, 2^{19548441935044} is an apocalyptic number.

19548441935044 is the 4421362-nd square number.

It is an amenable number.

19548441935044 is a deficient number, since it is larger than the sum of its proper divisors (18054223354859).

19548441935044 is an frugal number, since it uses more digits than its factorization.

19548441935044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401968 (or 200984 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 19548441935044 in words is "nineteen trillion, five hundred forty-eight billion, four hundred forty-one million, nine hundred thirty-five thousand, forty-four".