189505601369 has 8 divisors (see below), whose sum is σ = 217549032960. Its totient is φ = 161704970496.

The previous prime is 189505601359. The next prime is 189505601401. The reversal of 189505601369 is 963106505981.

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 189505601369 - 2⁴ = 189505601353 is a prime.

It is a super-2 number, since 2×189505601369² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189505601369.

It is not an unprimeable number, because it can be changed into a prime (189505601359) 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, 60698504 + ... + 60701625.

It is an arithmetic number, because the mean of its divisors is an integer number (27193629120).

Almost surely, 2^189505601369 is an apocalyptic number.

It is an amenable number.

189505601369 is a deficient number, since it is larger than the sum of its proper divisors (28043431591).

189505601369 is a wasteful number, since it uses less digits than its factorization.

189505601369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121400359.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 189505601369 in words is "one hundred eighty-nine billion, five hundred five million, six hundred one thousand, three hundred sixty-nine".