19455289052 has 6 divisors (see below), whose sum is σ = 34046755848. Its totient is φ = 9727644524.

The previous prime is 19455289019. The next prime is 19455289081. The reversal of 19455289052 is 25098255491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431911128 + ... + 2431911135.

It is an arithmetic number, because the mean of its divisors is an integer number (5674459308).

Almost surely, 2^19455289052 is an apocalyptic number.

It is an amenable number.

19455289052 is a deficient number, since it is larger than the sum of its proper divisors (14591466796).

19455289052 is a wasteful number, since it uses less digits than its factorization.

19455289052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863822267 (or 4863822265 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 19455289052 in words is "nineteen billion, four hundred fifty-five million, two hundred eighty-nine thousand, fifty-two".