70546404242 has 4 divisors (see below), whose sum is σ = 105819606366. Its totient is φ = 35273202120.

The previous prime is 70546404163. The next prime is 70546404251. The reversal of 70546404242 is 24240464507.

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., 35453500681 + 35092903561 = 188291^2 + 187331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70546404196 and 70546404205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17636601059 + ... + 17636601062.

Almost surely, 2^70546404242 is an apocalyptic number.

70546404242 is a deficient number, since it is larger than the sum of its proper divisors (35273202124).

70546404242 is a wasteful number, since it uses less digits than its factorization.

70546404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35273202123.

The product of its (nonzero) digits is 215040, while the sum is 38.

Adding to 70546404242 its reverse (24240464507), we get a palindrome (94786868749).

The spelling of 70546404242 in words is "seventy billion, five hundred forty-six million, four hundred four thousand, two hundred forty-two".