19770507443009 has 8 divisors (see below), whose sum is σ = 19773153229440. Its totient is φ = 19767861844416.

The previous prime is 19770507442999. The next prime is 19770507443021. The reversal of 19770507443009 is 90034470507791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19770507443009 - 2⁴⁴ = 2178321398593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19770507443509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449134169 + ... + 449178185.

It is an arithmetic number, because the mean of its divisors is an integer number (2471644153680).

Almost surely, 2^{19770507443009} is an apocalyptic number.

It is an amenable number.

19770507443009 is a deficient number, since it is larger than the sum of its proper divisors (2645786431).

19770507443009 is a wasteful number, since it uses less digits than its factorization.

19770507443009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93919.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 19770507443009 in words is "nineteen trillion, seven hundred seventy billion, five hundred seven million, four hundred forty-three thousand, nine".