1029722240893 has 2 divisors, whose sum is σ = 1029722240894. Its totient is φ = 1029722240892.

The previous prime is 1029722240881. The next prime is 1029722240909. The reversal of 1029722240893 is 3980422279201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987960457444 + 41761783449 = 993962^2 + 204357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029722240893 - 2³⁷ = 892283287421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1029722246893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514861120446 + 514861120447.

It is an arithmetic number, because the mean of its divisors is an integer number (514861120447).

Almost surely, 2^{1029722240893} is an apocalyptic number.

It is an amenable number.

1029722240893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029722240893 is an equidigital number, since it uses as much as digits as its factorization.

1029722240893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 1029722240893 in words is "one trillion, twenty-nine billion, seven hundred twenty-two million, two hundred forty thousand, eight hundred ninety-three".