434566663497 has 14 divisors (see below), whose sum is σ = 651551939642. Its totient is φ = 289711108512.

The previous prime is 434566663397. The next prime is 434566663507. The reversal of 434566663497 is 794366665434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 396174571776 + 38392091721 = 629424^2 + 195939^2 .

It is not a de Polignac number, because 434566663497 - 2¹¹ = 434566661449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434566663397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 298055968 + ... + 298057425.

Almost surely, 2^434566663497 is an apocalyptic number.

It is an amenable number.

434566663497 is a deficient number, since it is larger than the sum of its proper divisors (216985276145).

434566663497 is an frugal number, since it uses more digits than its factorization.

434566663497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596113411 (or 596113396 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 63.

It can be divided in two parts, 43456 and 6663497, that added together give a triangular number (6706953 = T₃₆₆₂).

The spelling of 434566663497 in words is "four hundred thirty-four billion, five hundred sixty-six million, six hundred sixty-three thousand, four hundred ninety-seven".