63442810342747 has 4 divisors (see below), whose sum is σ = 69210338555736. Its totient is φ = 57675282129760.

The previous prime is 63442810342739. The next prime is 63442810342753. The reversal of 63442810342747 is 74724301824436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63442810342747 - 2³ = 63442810342739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63442810342727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883764106478 + ... + 2883764106499.

It is an arithmetic number, because the mean of its divisors is an integer number (17302584638934).

Almost surely, 2^{63442810342747} is an apocalyptic number.

63442810342747 is a deficient number, since it is larger than the sum of its proper divisors (5767528212989).

63442810342747 is a wasteful number, since it uses less digits than its factorization.

63442810342747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767528212988.

The product of its (nonzero) digits is 21676032, while the sum is 55.

The spelling of 63442810342747 in words is "sixty-three trillion, four hundred forty-two billion, eight hundred ten million, three hundred forty-two thousand, seven hundred forty-seven".