63459267149 has 8 divisors (see below), whose sum is σ = 63805276920. Its totient is φ = 63113435136.

The previous prime is 63459267127. The next prime is 63459267187. The reversal of 63459267149 is 94176295436.

It can be written as a sum of positive squares in 4 ways, for example, as 768121225 + 62691145924 = 27715^2 + 250382^2 .

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 63459267149 - 2¹² = 63459263053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63459267094 and 63459267103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63459267449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705857 + ... + 790665.

It is an arithmetic number, because the mean of its divisors is an integer number (7975659615).

Almost surely, 2^63459267149 is an apocalyptic number.

It is an amenable number.

63459267149 is a deficient number, since it is larger than the sum of its proper divisors (346009771).

63459267149 is a wasteful number, since it uses less digits than its factorization.

63459267149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88879.

The product of its digits is 9797760, while the sum is 56.

The spelling of 63459267149 in words is "sixty-three billion, four hundred fifty-nine million, two hundred sixty-seven thousand, one hundred forty-nine".