63429217549 has 8 divisors (see below), whose sum is σ = 68572127840. Its totient is φ = 58466760336.

The previous prime is 63429217547. The next prime is 63429217591. The reversal of 63429217549 is 94571292436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63429217549 - 2¹ = 63429217547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63429217496 and 63429217505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63429217547) 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 7 ways as a sum of consecutive naturals, for example, 45112539 + ... + 45113944.

It is an arithmetic number, because the mean of its divisors is an integer number (8571515980).

Almost surely, 2^63429217549 is an apocalyptic number.

It is an amenable number.

63429217549 is a deficient number, since it is larger than the sum of its proper divisors (5142910291).

63429217549 is a wasteful number, since it uses less digits than its factorization.

63429217549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90226539.

The product of its digits is 3265920, while the sum is 52.

The spelling of 63429217549 in words is "sixty-three billion, four hundred twenty-nine million, two hundred seventeen thousand, five hundred forty-nine".