63345729005 has 8 divisors (see below), whose sum is σ = 81862172952. Its totient is φ = 46778384448.

The previous prime is 63345728969. The next prime is 63345729053. The reversal of 63345729005 is 50092754336.

It can be written as a sum of positive squares in 4 ways, for example, as 6196523524 + 57149205481 = 78718^2 + 239059^2 .

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 63345729005 - 2²⁸ = 63077293549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487274774 + ... + 487274903.

It is an arithmetic number, because the mean of its divisors is an integer number (10232771619).

Almost surely, 2^63345729005 is an apocalyptic number.

63345729005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63345729005 is a deficient number, since it is larger than the sum of its proper divisors (18516443947).

63345729005 is a wasteful number, since it uses less digits than its factorization.

63345729005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974549695.

The product of its (nonzero) digits is 680400, while the sum is 44.

It can be divided in two parts, 6334 and 5729005, that added together give a cube (5735339 = 179³).

The spelling of 63345729005 in words is "sixty-three billion, three hundred forty-five million, seven hundred twenty-nine thousand, five".