434530874376449 has 2 divisors, whose sum is σ = 434530874376450. Its totient is φ = 434530874376448.

The previous prime is 434530874376439. The next prime is 434530874376481. The reversal of 434530874376449 is 944673478035434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427119102259600 + 7411772116849 = 20666860^2 + 2722457^2 .

It is a cyclic number.

It is not a de Polignac number, because 434530874376449 - 2²⁸ = 434530605940993 is a prime.

It is a super-2 number, since 2×434530874376449² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434530874376439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217265437188224 + 217265437188225.

It is an arithmetic number, because the mean of its divisors is an integer number (217265437188225).

Almost surely, 2^{434530874376449} is an apocalyptic number.

It is an amenable number.

434530874376449 is a deficient number, since it is larger than the sum of its proper divisors (1).

434530874376449 is an equidigital number, since it uses as much as digits as its factorization.

434530874376449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2926264320, while the sum is 71.

The spelling of 434530874376449 in words is "four hundred thirty-four trillion, five hundred thirty billion, eight hundred seventy-four million, three hundred seventy-six thousand, four hundred forty-nine".