19345148449344 has 63 divisors (see below), whose sum is σ = 55449677724883. Its totient is φ = 6448347629952.

The previous prime is 19345148449339. The next prime is 19345148449373. The reversal of 19345148449344 is 44394484154391.

It is a happy number.

The square root of 19345148449344 is 4398312.

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

19345148449344 is a `hidden beast` number, since 1 + 9 + 3 + 4 + 5 + 148 + 449 + 3 + 44 = 666.

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, 105467857 + ... + 105651119.

Almost surely, 2^{19345148449344} is an apocalyptic number.

19345148449344 is the 4398312-nd square number.

It is an amenable number.

19345148449344 is an abundant number, since it is smaller than the sum of its proper divisors (36104529275539).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19345148449344 is an frugal number, since it uses more digits than its factorization.

19345148449344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366544 (or 183268 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 63.

The spelling of 19345148449344 in words is "nineteen trillion, three hundred forty-five billion, one hundred forty-eight million, four hundred forty-nine thousand, three hundred forty-four".