424564534642 has 4 divisors (see below), whose sum is σ = 636846801966. Its totient is φ = 212282267320.

The previous prime is 424564534627. The next prime is 424564534663. The reversal of 424564534642 is 246435465424.

It is a happy number.

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., 254085556761 + 170478977881 = 504069^2 + 412891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106141133659 + ... + 106141133662.

Almost surely, 2^424564534642 is an apocalyptic number.

424564534642 is a deficient number, since it is larger than the sum of its proper divisors (212282267324).

424564534642 is a wasteful number, since it uses less digits than its factorization.

424564534642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212282267323.

The product of its digits is 11059200, while the sum is 49.

The spelling of 424564534642 in words is "four hundred twenty-four billion, five hundred sixty-four million, five hundred thirty-four thousand, six hundred forty-two".