63305781742 has 8 divisors (see below), whose sum is σ = 108524197296. Its totient is φ = 27131049312.

The previous prime is 63305781733. The next prime is 63305781787. The reversal of 63305781742 is 24718750336.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 63305781692 and 63305781701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260920763 + ... + 2260920790.

It is an arithmetic number, because the mean of its divisors is an integer number (13565524662).

Almost surely, 2^63305781742 is an apocalyptic number.

63305781742 is a deficient number, since it is larger than the sum of its proper divisors (45218415554).

63305781742 is a wasteful number, since it uses less digits than its factorization.

63305781742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521841562.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 63305781742 in words is "sixty-three billion, three hundred five million, seven hundred eighty-one thousand, seven hundred forty-two".