63433043431 has 4 divisors (see below), whose sum is σ = 63433555632. Its totient is φ = 63432531232.

The previous prime is 63433043371. The next prime is 63433043447. The reversal of 63433043431 is 13434033436.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63433043431 - 2²¹ = 63430946279 is a prime.

It is a super-4 number, since 4×63433043431⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63433043461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58431 + ... + 360943.

It is an arithmetic number, because the mean of its divisors is an integer number (15858388908).

Almost surely, 2^63433043431 is an apocalyptic number.

63433043431 is a deficient number, since it is larger than the sum of its proper divisors (512201).

63433043431 is a wasteful number, since it uses less digits than its factorization.

63433043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512200.

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 63433043431 its reverse (13434033436), we get a palindrome (76867076867).

The spelling of 63433043431 in words is "sixty-three billion, four hundred thirty-three million, forty-three thousand, four hundred thirty-one".