422740138811 has 2 divisors, whose sum is σ = 422740138812. Its totient is φ = 422740138810.

The previous prime is 422740138783. The next prime is 422740138831. The reversal of 422740138811 is 118831047224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422740138811 is a prime.

It is not a weakly prime, because it can be changed into another prime (422740138831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211370069405 + 211370069406.

It is an arithmetic number, because the mean of its divisors is an integer number (211370069406).

Almost surely, 2^422740138811 is an apocalyptic number.

422740138811 is a deficient number, since it is larger than the sum of its proper divisors (1).

422740138811 is an equidigital number, since it uses as much as digits as its factorization.

422740138811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 422740138811 in words is "four hundred twenty-two billion, seven hundred forty million, one hundred thirty-eight thousand, eight hundred eleven".