192649481 has 2 divisors, whose sum is σ = 192649482. Its totient is φ = 192649480.

The previous prime is 192649463. The next prime is 192649511. The reversal of 192649481 is 184946291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192071881 + 577600 = 13859^2 + 760^2 .

It is an emirp because it is prime and its reverse (184946291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192649481 - 2¹⁸ = 192387337 is a prime.

It is a super-2 number, since 2×192649481² = 74227645059138722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (192649451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96324740 + 96324741.

It is an arithmetic number, because the mean of its divisors is an integer number (96324741).

Almost surely, 2^192649481 is an apocalyptic number.

It is an amenable number.

192649481 is a deficient number, since it is larger than the sum of its proper divisors (1).

192649481 is an equidigital number, since it uses as much as digits as its factorization.

192649481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 192649481 is about 13879.8228014626. The cubic root of 192649481 is about 577.5495916384.

The spelling of 192649481 in words is "one hundred ninety-two million, six hundred forty-nine thousand, four hundred eighty-one".