42995658242 has 4 divisors (see below), whose sum is σ = 64493487366. Its totient is φ = 21497829120.

The previous prime is 42995658203. The next prime is 42995658253. The reversal of 42995658242 is 24285659924.

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., 40780167481 + 2215490761 = 201941^2 + 47069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10748914559 + ... + 10748914562.

Almost surely, 2^42995658242 is an apocalyptic number.

42995658242 is a deficient number, since it is larger than the sum of its proper divisors (21497829124).

42995658242 is a wasteful number, since it uses less digits than its factorization.

42995658242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21497829123.

The product of its digits is 12441600, while the sum is 56.

The spelling of 42995658242 in words is "forty-two billion, nine hundred ninety-five million, six hundred fifty-eight thousand, two hundred forty-two".