604152421042 has 4 divisors (see below), whose sum is σ = 906228631566. Its totient is φ = 302076210520.

The previous prime is 604152421031. The next prime is 604152421043. The reversal of 604152421042 is 240124251406.

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., 381329715361 + 222822705681 = 617519^2 + 472041^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 604152420995 and 604152421013.

It is not an unprimeable number, because it can be changed into a prime (604152421043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151038105259 + ... + 151038105262.

Almost surely, 2^604152421042 is an apocalyptic number.

604152421042 is a deficient number, since it is larger than the sum of its proper divisors (302076210524).

604152421042 is a wasteful number, since it uses less digits than its factorization.

604152421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302076210523.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 604152421042 its reverse (240124251406), we get a palindrome (844276672448).

The spelling of 604152421042 in words is "six hundred four billion, one hundred fifty-two million, four hundred twenty-one thousand, forty-two".