189022123396901 has 8 divisors (see below), whose sum is σ = 189437115845208. Its totient is φ = 188607152448000.

The previous prime is 189022123396871. The next prime is 189022123396913. The reversal of 189022123396901 is 109693321220981.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49167232444225 + 139854890952676 = 7011935^2 + 11826026^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189022123396901 - 2⁶ = 189022123396837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189022123396961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12292061 + ... + 23003021.

It is an arithmetic number, because the mean of its divisors is an integer number (23679639480651).

Almost surely, 2^{189022123396901} is an apocalyptic number.

It is an amenable number.

189022123396901 is a deficient number, since it is larger than the sum of its proper divisors (414992448307).

189022123396901 is a wasteful number, since it uses less digits than its factorization.

189022123396901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10749703.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 189022123396901 in words is "one hundred eighty-nine trillion, twenty-two billion, one hundred twenty-three million, three hundred ninety-six thousand, nine hundred one".