434700277423781 has 2 divisors, whose sum is σ = 434700277423782. Its totient is φ = 434700277423780.

The previous prime is 434700277423759. The next prime is 434700277423807. The reversal of 434700277423781 is 187324772007434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354167332203556 + 80532945220225 = 18819334^2 + 8974015^2 .

It is a cyclic number.

It is not a de Polignac number, because 434700277423781 - 2⁶ = 434700277423717 is a prime.

It is a super-2 number, since 2×434700277423781² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 434700277423781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434700277420781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217350138711890 + 217350138711891.

It is an arithmetic number, because the mean of its divisors is an integer number (217350138711891).

Almost surely, 2^{434700277423781} is an apocalyptic number.

It is an amenable number.

434700277423781 is a deficient number, since it is larger than the sum of its proper divisors (1).

434700277423781 is an equidigital number, since it uses as much as digits as its factorization.

434700277423781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 59.

The spelling of 434700277423781 in words is "four hundred thirty-four trillion, seven hundred billion, two hundred seventy-seven million, four hundred twenty-three thousand, seven hundred eighty-one".