19939227075 has 36 divisors (see below), whose sum is σ = 36298861248. Its totient is φ = 10459915200.

The previous prime is 19939227071. The next prime is 19939227083. The reversal of 19939227075 is 57072293991.

It is not a de Polignac number, because 19939227075 - 2² = 19939227071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19939227071) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 712659 + ... + 740108.

Almost surely, 2^19939227075 is an apocalyptic number.

19939227075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19939227075 is a deficient number, since it is larger than the sum of its proper divisors (16359634173).

19939227075 is a wasteful number, since it uses less digits than its factorization.

19939227075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452844 (or 1452836 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 19939227075 in words is "nineteen billion, nine hundred thirty-nine million, two hundred twenty-seven thousand, seventy-five".