19340654445 has 32 divisors (see below), whose sum is σ = 39295299840. Its totient is φ = 8841441600.

The previous prime is 19340654441. The next prime is 19340654539. The reversal of 19340654445 is 54445604391.

19340654445 is a `hidden beast` number, since 193 + 406 + 54 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 19340654445 - 2² = 19340654441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 19340654445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19340654441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10232206 + ... + 10234095.

It is an arithmetic number, because the mean of its divisors is an integer number (1227978120).

Almost surely, 2^19340654445 is an apocalyptic number.

19340654445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19340654445 is an abundant number, since it is smaller than the sum of its proper divisors (19954645395).

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

19340654445 is a wasteful number, since it uses less digits than its factorization.

19340654445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466322 (or 20466316 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 19340654445 in words is "nineteen billion, three hundred forty million, six hundred fifty-four thousand, four hundred forty-five".