202123049698 has 16 divisors (see below), whose sum is σ = 308612821176. Its totient is φ = 99257034240.

The previous prime is 202123049671. The next prime is 202123049729. The reversal of 202123049698 is 896940321202.

202123049698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 84359459809 + 117763589889 = 290447^2 + 343167^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1148761 + ... + 1312972.

Almost surely, 2^202123049698 is an apocalyptic number.

202123049698 is a deficient number, since it is larger than the sum of its proper divisors (106489771478).

202123049698 is a wasteful number, since it uses less digits than its factorization.

202123049698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462469.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 202123049698 in words is "two hundred two billion, one hundred twenty-three million, forty-nine thousand, six hundred ninety-eight".