196121289058 has 4 divisors (see below), whose sum is σ = 294181933590. Its totient is φ = 98060644528.

The previous prime is 196121289043. The next prime is 196121289079. The reversal of 196121289058 is 850982121691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147565844449 + 48555444609 = 384143^2 + 220353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196121288996 and 196121289014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49030322263 + ... + 49030322266.

Almost surely, 2^196121289058 is an apocalyptic number.

196121289058 is a deficient number, since it is larger than the sum of its proper divisors (98060644532).

196121289058 is an equidigital number, since it uses as much as digits as its factorization.

196121289058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98060644531.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 196121289058 in words is "one hundred ninety-six billion, one hundred twenty-one million, two hundred eighty-nine thousand, fifty-eight".