196950019539 has 48 divisors (see below), whose sum is σ = 344092188672. Its totient is φ = 97774769664.

The previous prime is 196950019523. The next prime is 196950019543. The reversal of 196950019539 is 935910059691.

It is not a de Polignac number, because 196950019539 - 2⁴ = 196950019523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196950019579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1571859 + ... + 1692524.

It is an arithmetic number, because the mean of its divisors is an integer number (7168587264).

Almost surely, 2^196950019539 is an apocalyptic number.

196950019539 is a deficient number, since it is larger than the sum of its proper divisors (147142169133).

196950019539 is a wasteful number, since it uses less digits than its factorization.

196950019539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264436 (or 3264423 counting only the distinct ones).

The product of its (nonzero) digits is 2952450, while the sum is 57.

The spelling of 196950019539 in words is "one hundred ninety-six billion, nine hundred fifty million, nineteen thousand, five hundred thirty-nine".