63266253281 has 8 divisors (see below), whose sum is σ = 78877406784. Its totient is φ = 49298379120.

The previous prime is 63266253209. The next prime is 63266253299. The reversal of 63266253281 is 18235266236.

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 63266253281 - 2¹⁴ = 63266236897 is a prime.

It is a super-2 number, since 2×63266253281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63266253481) 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, 410819750 + ... + 410819903.

It is an arithmetic number, because the mean of its divisors is an integer number (9859675848).

Almost surely, 2^63266253281 is an apocalyptic number.

It is an amenable number.

63266253281 is a deficient number, since it is larger than the sum of its proper divisors (15611153503).

63266253281 is a wasteful number, since it uses less digits than its factorization.

63266253281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821639671.

The product of its digits is 622080, while the sum is 44.

The spelling of 63266253281 in words is "sixty-three billion, two hundred sixty-six million, two hundred fifty-three thousand, two hundred eighty-one".