63137206042 has 4 divisors (see below), whose sum is σ = 94705809066. Its totient is φ = 31568603020.

The previous prime is 63137206037. The next prime is 63137206057. The reversal of 63137206042 is 24060273136.

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., 63137115441 + 90601 = 251271^2 + 301^2 .

It is a super-2 number, since 2×63137206042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63137205989 and 63137206007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15784301509 + ... + 15784301512.

Almost surely, 2^63137206042 is an apocalyptic number.

63137206042 is a deficient number, since it is larger than the sum of its proper divisors (31568603024).

63137206042 is a wasteful number, since it uses less digits than its factorization.

63137206042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31568603023.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 63137206042 its reverse (24060273136), we get a palindrome (87197479178).

The spelling of 63137206042 in words is "sixty-three billion, one hundred thirty-seven million, two hundred six thousand, forty-two".