63146730205 has 8 divisors (see below), whose sum is σ = 81605005272. Its totient is φ = 46631431488.

The previous prime is 63146730203. The next prime is 63146730209. The reversal of 63146730205 is 50203764136.

It can be written as a sum of positive squares in 4 ways, for example, as 3660008004 + 59486722201 = 60498^2 + 243899^2 .

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 63146730205 - 2¹ = 63146730203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63146730203) 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, 485744014 + ... + 485744143.

It is an arithmetic number, because the mean of its divisors is an integer number (10200625659).

Almost surely, 2^63146730205 is an apocalyptic number.

63146730205 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63146730205 is a deficient number, since it is larger than the sum of its proper divisors (18458275067).

63146730205 is a wasteful number, since it uses less digits than its factorization.

63146730205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971488175.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 63146730205 in words is "sixty-three billion, one hundred forty-six million, seven hundred thirty thousand, two hundred five".