1992133447 has 2 divisors, whose sum is σ = 1992133448. Its totient is φ = 1992133446.

The previous prime is 1992133433. The next prime is 1992133459. The reversal of 1992133447 is 7443312991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1992133447 is a prime.

It is a super-2 number, since 2×1992133447² = 7937191341312203618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992133417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996066723 + 996066724.

It is an arithmetic number, because the mean of its divisors is an integer number (996066724).

Almost surely, 2^1992133447 is an apocalyptic number.

1992133447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992133447 is an equidigital number, since it uses as much as digits as its factorization.

1992133447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 1992133447 is about 44633.3221595704. The cubic root of 1992133447 is about 1258.2670067735.

The spelling of 1992133447 in words is "one billion, nine hundred ninety-two million, one hundred thirty-three thousand, four hundred forty-seven".