434267362456021 has 2 divisors, whose sum is σ = 434267362456022. Its totient is φ = 434267362456020.

The previous prime is 434267362456003. The next prime is 434267362456073. The reversal of 434267362456021 is 120654263762434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434253293175025 + 14069280996 = 20838745^2 + 118614^2 .

It is a cyclic number.

It is not a de Polignac number, because 434267362456021 - 2⁷ = 434267362455893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434267362456091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217133681228010 + 217133681228011.

It is an arithmetic number, because the mean of its divisors is an integer number (217133681228011).

Almost surely, 2^{434267362456021} is an apocalyptic number.

It is an amenable number.

434267362456021 is a deficient number, since it is larger than the sum of its proper divisors (1).

434267362456021 is an equidigital number, since it uses as much as digits as its factorization.

434267362456021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 55.

The spelling of 434267362456021 in words is "four hundred thirty-four trillion, two hundred sixty-seven billion, three hundred sixty-two million, four hundred fifty-six thousand, twenty-one".