63525763217 has 8 divisors (see below), whose sum is σ = 76871511936. Its totient is φ = 51247674432.

The previous prime is 63525763193. The next prime is 63525763241. The reversal of 63525763217 is 71236752536.

63525763217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63525763193) and next prime (63525763241).

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 63525763217 - 2¹⁸ = 63525501073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63525763297) 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, 266914853 + ... + 266915090.

It is an arithmetic number, because the mean of its divisors is an integer number (9608938992).

Almost surely, 2^63525763217 is an apocalyptic number.

It is an amenable number.

63525763217 is a deficient number, since it is larger than the sum of its proper divisors (13345748719).

63525763217 is a wasteful number, since it uses less digits than its factorization.

63525763217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533829967.

The product of its digits is 1587600, while the sum is 47.

The spelling of 63525763217 in words is "sixty-three billion, five hundred twenty-five million, seven hundred sixty-three thousand, two hundred seventeen".