1992245767 has 2 divisors, whose sum is σ = 1992245768. Its totient is φ = 1992245766.

The previous prime is 1992245711. The next prime is 1992245789. The reversal of 1992245767 is 7675422991.

It is a strong prime.

It is an emirp because it is prime and its reverse (7675422991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1992245767 is a prime.

It is a super-2 number, since 2×1992245767² = 7938086392258836578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992245707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996122883 + 996122884.

It is an arithmetic number, because the mean of its divisors is an integer number (996122884).

Almost surely, 2^1992245767 is an apocalyptic number.

1992245767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992245767 is an equidigital number, since it uses as much as digits as its factorization.

1992245767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 1992245767 is about 44634.5803945775. The cubic root of 1992245767 is about 1258.2906541007.

The spelling of 1992245767 in words is "one billion, nine hundred ninety-two million, two hundred forty-five thousand, seven hundred sixty-seven".