192427449692281 has 8 divisors (see below), whose sum is σ = 194336553731400. Its totient is φ = 190518421766400.

The previous prime is 192427449692263. The next prime is 192427449692297. The reversal of 192427449692281 is 182296944724291.

It can be written as a sum of positive squares in 4 ways, for example, as 164728112276025 + 27699337416256 = 12834645^2 + 5263016^2 .

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 192427449692281 - 2⁵ = 192427449692249 is a prime.

It is a super-2 number, since 2×192427449692281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192427449692281.

It is not an unprimeable number, because it can be changed into a prime (192427449695281) 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, 13940166 + ... + 24066223.

It is an arithmetic number, because the mean of its divisors is an integer number (24292069216425).

Almost surely, 2^{192427449692281} is an apocalyptic number.

It is an amenable number.

192427449692281 is a deficient number, since it is larger than the sum of its proper divisors (1909104039119).

192427449692281 is a wasteful number, since it uses less digits than its factorization.

192427449692281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38056619.

The product of its digits is 250822656, while the sum is 70.

The spelling of 192427449692281 in words is "one hundred ninety-two trillion, four hundred twenty-seven billion, four hundred forty-nine million, six hundred ninety-two thousand, two hundred eighty-one".