63440021106037 has 8 divisors (see below), whose sum is σ = 66564019267200. Its totient is φ = 60346500976080.

The previous prime is 63440021106001. The next prime is 63440021106043. The reversal of 63440021106037 is 73060112004436.

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 63440021106037 - 2²³ = 63440012717429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63440021105987 and 63440021106005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63440021106067) 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, 7619503537 + ... + 7619511862.

It is an arithmetic number, because the mean of its divisors is an integer number (8320502408400).

Almost surely, 2^{63440021106037} is an apocalyptic number.

It is an amenable number.

63440021106037 is a deficient number, since it is larger than the sum of its proper divisors (3123998161163).

63440021106037 is a wasteful number, since it uses less digits than its factorization.

63440021106037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15239015603.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 63440021106037 in words is "sixty-three trillion, four hundred forty billion, twenty-one million, one hundred six thousand, thirty-seven".