63735347488725 has 144 divisors (see below), whose sum is σ = 125534330288640. Its totient is φ = 30654382262400.

The previous prime is 63735347488723. The next prime is 63735347488783. The reversal of 63735347488725 is 52788474353736.

63735347488725 is a `hidden beast` number, since 6 + 3 + 7 + 3 + 5 + 3 + 474 + 88 + 72 + 5 = 666.

It is not a de Polignac number, because 63735347488725 - 2¹ = 63735347488723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63735347488723) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 420666834 + ... + 420818316.

It is an arithmetic number, because the mean of its divisors is an integer number (871766182560).

Almost surely, 2^{63735347488725} is an apocalyptic number.

It is an amenable number.

63735347488725 is a deficient number, since it is larger than the sum of its proper divisors (61798982799915).

63735347488725 is a wasteful number, since it uses less digits than its factorization.

63735347488725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152872 (or 152864 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 72.

The spelling of 63735347488725 in words is "sixty-three trillion, seven hundred thirty-five billion, three hundred forty-seven million, four hundred eighty-eight thousand, seven hundred twenty-five".