63082660721 has 8 divisors (see below), whose sum is σ = 64982282400. Its totient is φ = 61200230560.

The previous prime is 63082660681. The next prime is 63082660787. The reversal of 63082660721 is 12706628036.

It is a happy number.

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 63082660721 - 2³⁰ = 62008918897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63082260721) 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, 4290431 + ... + 4305108.

It is an arithmetic number, because the mean of its divisors is an integer number (8122785300).

Almost surely, 2^63082660721 is an apocalyptic number.

It is an amenable number.

63082660721 is a deficient number, since it is larger than the sum of its proper divisors (1899621679).

63082660721 is a wasteful number, since it uses less digits than its factorization.

63082660721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595759.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 63082660721 in words is "sixty-three billion, eighty-two million, six hundred sixty thousand, seven hundred twenty-one".