63542676064631 has 8 divisors (see below), whose sum is σ = 63585034697184. Its totient is φ = 63500331502080.

The previous prime is 63542676064597. The next prime is 63542676064633. The reversal of 63542676064631 is 13646067624536.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63542676064631 is a prime.

It is a super-2 number, since 2×63542676064631² (a number of 28 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 (63542676064633) 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, 5525615 + ... + 12554591.

It is an arithmetic number, because the mean of its divisors is an integer number (7948129337148).

Almost surely, 2^{63542676064631} is an apocalyptic number.

63542676064631 is a deficient number, since it is larger than the sum of its proper divisors (42358632553).

63542676064631 is a wasteful number, since it uses less digits than its factorization.

63542676064631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035001.

The product of its (nonzero) digits is 78382080, while the sum is 59.

The spelling of 63542676064631 in words is "sixty-three trillion, five hundred forty-two billion, six hundred seventy-six million, sixty-four thousand, six hundred thirty-one".