19445705995 has 8 divisors (see below), whose sum is σ = 23385249216. Its totient is φ = 15522963456.

The previous prime is 19445705987. The next prime is 19445706013. The reversal of 19445705995 is 59950754491.

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 19445705995 - 2³ = 19445705987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4197622 + ... + 4202251.

It is an arithmetic number, because the mean of its divisors is an integer number (2923156152).

Almost surely, 2^19445705995 is an apocalyptic number.

19445705995 is a deficient number, since it is larger than the sum of its proper divisors (3939543221).

19445705995 is an equidigital number, since it uses as much as digits as its factorization.

19445705995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400341.

The product of its (nonzero) digits is 10206000, while the sum is 58.

The spelling of 19445705995 in words is "nineteen billion, four hundred forty-five million, seven hundred five thousand, nine hundred ninety-five".