63530351253 has 24 divisors (see below), whose sum is σ = 92474223296. Its totient is φ = 42027336000.

The previous prime is 63530351249. The next prime is 63530351299. The reversal of 63530351253 is 35215303536.

63530351253 is a `hidden beast` number, since 6 + 3 + 53 + 0 + 351 + 253 = 666.

It is not a de Polignac number, because 63530351253 - 2² = 63530351249 is a prime.

It is a super-2 number, since 2×63530351253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530351233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248438 + ... + 1298328.

Almost surely, 2^63530351253 is an apocalyptic number.

It is an amenable number.

63530351253 is a deficient number, since it is larger than the sum of its proper divisors (28943872043).

63530351253 is a wasteful number, since it uses less digits than its factorization.

63530351253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50985 (or 50982 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

Adding to 63530351253 its reverse (35215303536), we get a palindrome (98745654789).

The spelling of 63530351253 in words is "sixty-three billion, five hundred thirty million, three hundred fifty-one thousand, two hundred fifty-three".