189795263141 has 4 divisors (see below), whose sum is σ = 207049377984. Its totient is φ = 172541148300.

The previous prime is 189795263137. The next prime is 189795263197. The reversal of 189795263141 is 141362597981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189795263141 - 2² = 189795263137 is a prime.

It is a super-2 number, since 2×189795263141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189795263041) 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, 8627057405 + ... + 8627057426.

It is an arithmetic number, because the mean of its divisors is an integer number (51762344496).

Almost surely, 2^189795263141 is an apocalyptic number.

189795263141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

189795263141 is a deficient number, since it is larger than the sum of its proper divisors (17254114843).

189795263141 is a wasteful number, since it uses less digits than its factorization.

189795263141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17254114842.

The product of its digits is 3265920, while the sum is 56.

The spelling of 189795263141 in words is "one hundred eighty-nine billion, seven hundred ninety-five million, two hundred sixty-three thousand, one hundred forty-one".