1492006811 has 2 divisors, whose sum is σ = 1492006812. Its totient is φ = 1492006810.

The previous prime is 1492006771. The next prime is 1492006903. The reversal of 1492006811 is 1186002941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492006811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1492006111) 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, 746003405 + 746003406.

It is an arithmetic number, because the mean of its divisors is an integer number (746003406).

Almost surely, 2^1492006811 is an apocalyptic number.

1492006811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492006811 is an equidigital number, since it uses as much as digits as its factorization.

1492006811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1492006811 is about 38626.5039966083. The cubic root of 1492006811 is about 1142.6773051646.

The spelling of 1492006811 in words is "one billion, four hundred ninety-two million, six thousand, eight hundred eleven".