63150511523213 has 4 divisors (see below), whose sum is σ = 63151090925628. Its totient is φ = 63149932120800.

The previous prime is 63150511523149. The next prime is 63150511523243. The reversal of 63150511523213 is 31232511505136.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25479911304169 + 37670600219044 = 5047763^2 + 6137638^2 .

It is a cyclic number.

It is not a de Polignac number, because 63150511523213 - 2⁶ = 63150511523149 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 (63150511523243) 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, 289537688 + ... + 289755713.

It is an arithmetic number, because the mean of its divisors is an integer number (15787772731407).

Almost surely, 2^{63150511523213} is an apocalyptic number.

It is an amenable number.

63150511523213 is a deficient number, since it is larger than the sum of its proper divisors (579402415).

63150511523213 is a wasteful number, since it uses less digits than its factorization.

63150511523213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579402414.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 63150511523213 in words is "sixty-three trillion, one hundred fifty billion, five hundred eleven million, five hundred twenty-three thousand, two hundred thirteen".