189641707737 has 16 divisors (see below), whose sum is σ = 257687464320. Its totient is φ = 124013007872.

The previous prime is 189641707691. The next prime is 189641707751. The reversal of 189641707737 is 737707146981.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 189641707737 - 2¹¹ = 189641705689 is a prime.

It is a super-2 number, since 2×189641707737² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189641702737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542908 + ... + 820994.

It is an arithmetic number, because the mean of its divisors is an integer number (16105466520).

Almost surely, 2^189641707737 is an apocalyptic number.

It is an amenable number.

189641707737 is a deficient number, since it is larger than the sum of its proper divisors (68045756583).

189641707737 is a wasteful number, since it uses less digits than its factorization.

189641707737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282432.

The product of its (nonzero) digits is 12446784, while the sum is 60.

The spelling of 189641707737 in words is "one hundred eighty-nine billion, six hundred forty-one million, seven hundred seven thousand, seven hundred thirty-seven".