5657242354394 has 4 divisors (see below), whose sum is σ = 8485863531594. Its totient is φ = 2828621177196.

The previous prime is 5657242354339. The next prime is 5657242354429. The reversal of 5657242354394 is 4934532427565.

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., 5527732338769 + 129510015625 = 2351113^2 + 359875^2 .

It is a super-2 number, since 2×5657242354394² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414310588597 + ... + 1414310588600.

Almost surely, 2^{5657242354394} is an apocalyptic number.

5657242354394 is a deficient number, since it is larger than the sum of its proper divisors (2828621177200).

5657242354394 is a wasteful number, since it uses less digits than its factorization.

5657242354394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828621177199.

The product of its digits is 108864000, while the sum is 59.

The spelling of 5657242354394 in words is "five trillion, six hundred fifty-seven billion, two hundred forty-two million, three hundred fifty-four thousand, three hundred ninety-four".