63471620122 has 4 divisors (see below), whose sum is σ = 95207430186. Its totient is φ = 31735810060.

The previous prime is 63471620101. The next prime is 63471620123. The reversal of 63471620122 is 22102617436.

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

It can be written as a sum of positive squares in only one way, i.e., 47098114441 + 16373505681 = 217021^2 + 127959^2 .

It is a super-2 number, since 2×63471620122² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63471620123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15867905029 + ... + 15867905032.

Almost surely, 2^63471620122 is an apocalyptic number.

63471620122 is a deficient number, since it is larger than the sum of its proper divisors (31735810064).

63471620122 is a wasteful number, since it uses less digits than its factorization.

63471620122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31735810063.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 63471620122 in words is "sixty-three billion, four hundred seventy-one million, six hundred twenty thousand, one hundred twenty-two".