196628549949 has 32 divisors (see below), whose sum is σ = 314408304000. Its totient is φ = 120732595200.

The previous prime is 196628549939. The next prime is 196628549951. The reversal of 196628549949 is 949945826691.

196628549949 is a `hidden beast` number, since 1 + 96 + 6 + 2 + 8 + 5 + 499 + 49 = 666.

It is not a de Polignac number, because 196628549949 - 2¹¹ = 196628547901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196628549939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466227 + ... + 781424.

It is an arithmetic number, because the mean of its divisors is an integer number (9825259500).

Almost surely, 2^196628549949 is an apocalyptic number.

It is an amenable number.

196628549949 is a deficient number, since it is larger than the sum of its proper divisors (117779754051).

196628549949 is a wasteful number, since it uses less digits than its factorization.

196628549949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248122 (or 1248116 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 196628549949 in words is "one hundred ninety-six billion, six hundred twenty-eight million, five hundred forty-nine thousand, nine hundred forty-nine".