63662901121 has 4 divisors (see below), whose sum is σ = 63711836244. Its totient is φ = 63613966000.

The previous prime is 63662901119. The next prime is 63662901131. The reversal of 63662901121 is 12110926636.

63662901121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7571610225 + 56091290896 = 87015^2 + 236836^2 .

It is a cyclic number.

It is not a de Polignac number, because 63662901121 - 2¹ = 63662901119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63662901131) 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, 24465610 + ... + 24468211.

It is an arithmetic number, because the mean of its divisors is an integer number (15927959061).

Almost surely, 2^63662901121 is an apocalyptic number.

It is an amenable number.

63662901121 is a deficient number, since it is larger than the sum of its proper divisors (48935123).

63662901121 is a wasteful number, since it uses less digits than its factorization.

63662901121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48935122.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 63662901121 in words is "sixty-three billion, six hundred sixty-two million, nine hundred one thousand, one hundred twenty-one".