63680519121 has 8 divisors (see below), whose sum is σ = 85658751840. Its totient is φ = 42077982912.

The previous prime is 63680519093. The next prime is 63680519131. The reversal of 63680519121 is 12191508636.

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

It is not a de Polignac number, because 63680519121 - 2⁶ = 63680519057 is a prime.

It is a super-2 number, since 2×63680519121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63680519131) 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, 93923731 + ... + 93924408.

It is an arithmetic number, because the mean of its divisors is an integer number (10707343980).

Almost surely, 2^63680519121 is an apocalyptic number.

It is an amenable number.

63680519121 is a deficient number, since it is larger than the sum of its proper divisors (21978232719).

63680519121 is a wasteful number, since it uses less digits than its factorization.

63680519121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187848255.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 63680519121 in words is "sixty-three billion, six hundred eighty million, five hundred nineteen thousand, one hundred twenty-one".