189307249741 has 4 divisors (see below), whose sum is σ = 200442970332. Its totient is φ = 178171529152.

The previous prime is 189307249687. The next prime is 189307249751. The reversal of 189307249741 is 147942703981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68374405225 + 120932844516 = 261485^2 + 347754^2 .

It is a cyclic number.

It is not a de Polignac number, because 189307249741 - 2¹¹ = 189307247693 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 (189307249751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567860270 + ... + 5567860303.

It is an arithmetic number, because the mean of its divisors is an integer number (50110742583).

Almost surely, 2^189307249741 is an apocalyptic number.

It is an amenable number.

189307249741 is a deficient number, since it is larger than the sum of its proper divisors (11135720591).

189307249741 is a wasteful number, since it uses less digits than its factorization.

189307249741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135720590.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 189307249741 in words is "one hundred eighty-nine billion, three hundred seven million, two hundred forty-nine thousand, seven hundred forty-one".