196048531921 has 12 divisors (see below), whose sum is σ = 222442700032. Its totient is φ = 172476711000.

The previous prime is 196048531919. The next prime is 196048531933. The reversal of 196048531921 is 129135840691.

It is a happy number.

It is not a de Polignac number, because 196048531921 - 2¹ = 196048531919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196078531921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26129085 + ... + 26136586.

Almost surely, 2^196048531921 is an apocalyptic number.

196048531921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196048531921 is a deficient number, since it is larger than the sum of its proper divisors (26394168111).

196048531921 is a wasteful number, since it uses less digits than its factorization.

196048531921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52265724 (or 52265713 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 196048531921 in words is "one hundred ninety-six billion, forty-eight million, five hundred thirty-one thousand, nine hundred twenty-one".