19970873575 has 12 divisors (see below), whose sum is σ = 24770689128. Its totient is φ = 15972308000.

The previous prime is 19970873567. The next prime is 19970873581. The reversal of 19970873575 is 57537807991.

It is not a de Polignac number, because 19970873575 - 2³ = 19970873567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15397 + ... + 200446.

It is an arithmetic number, because the mean of its divisors is an integer number (2064224094).

Almost surely, 2^19970873575 is an apocalyptic number.

19970873575 is a deficient number, since it is larger than the sum of its proper divisors (4799815553).

19970873575 is a wasteful number, since it uses less digits than its factorization.

19970873575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219554 (or 219549 counting only the distinct ones).

The product of its (nonzero) digits is 16669800, while the sum is 61.

The spelling of 19970873575 in words is "nineteen billion, nine hundred seventy million, eight hundred seventy-three thousand, five hundred seventy-five".