1026422823997 has 2 divisors, whose sum is σ = 1026422823998. Its totient is φ = 1026422823996.

The previous prime is 1026422823989. The next prime is 1026422824033. The reversal of 1026422823997 is 7993282246201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860035519161 + 166387304836 = 927381^2 + 407906^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026422823997 - 2³ = 1026422823989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026422823197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513211411998 + 513211411999.

It is an arithmetic number, because the mean of its divisors is an integer number (513211411999).

Almost surely, 2^{1026422823997} is an apocalyptic number.

It is an amenable number.

1026422823997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026422823997 is an equidigital number, since it uses as much as digits as its factorization.

1026422823997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 1026422823997 in words is "one trillion, twenty-six billion, four hundred twenty-two million, eight hundred twenty-three thousand, nine hundred ninety-seven".