63235103642 has 4 divisors (see below), whose sum is σ = 94852655466. Its totient is φ = 31617551820.

The previous prime is 63235103621. The next prime is 63235103647. The reversal of 63235103642 is 24630153236.

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., 51031261801 + 12203841841 = 225901^2 + 110471^2 .

It is a super-2 number, since 2×63235103642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63235103647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15808775909 + ... + 15808775912.

Almost surely, 2^63235103642 is an apocalyptic number.

63235103642 is a deficient number, since it is larger than the sum of its proper divisors (31617551824).

63235103642 is a wasteful number, since it uses less digits than its factorization.

63235103642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31617551823.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 63235103642 its reverse (24630153236), we get a palindrome (87865256878).

The spelling of 63235103642 in words is "sixty-three billion, two hundred thirty-five million, one hundred three thousand, six hundred forty-two".