196951889585 has 8 divisors (see below), whose sum is σ = 257827928256. Its totient is φ = 143237737840.

The previous prime is 196951889579. The next prime is 196951889611. The reversal of 196951889585 is 585988159691.

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

It is not a de Polignac number, because 196951889585 - 2¹⁴ = 196951873201 is a prime.

It is a super-2 number, since 2×196951889585² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790471669 + ... + 1790471778.

It is an arithmetic number, because the mean of its divisors is an integer number (32228491032).

Almost surely, 2^196951889585 is an apocalyptic number.

It is an amenable number.

196951889585 is a deficient number, since it is larger than the sum of its proper divisors (60876038671).

196951889585 is a wasteful number, since it uses less digits than its factorization.

196951889585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580943463.

The product of its digits is 279936000, while the sum is 74.

The spelling of 196951889585 in words is "one hundred ninety-six billion, nine hundred fifty-one million, eight hundred eighty-nine thousand, five hundred eighty-five".