4542347672557 has 2 divisors, whose sum is σ = 4542347672558. Its totient is φ = 4542347672556.

The previous prime is 4542347672497. The next prime is 4542347672663. The reversal of 4542347672557 is 7552767432454.

4542347672557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2895286014916 + 1647061657641 = 1701554^2 + 1283379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542347672557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4542347672495 and 4542347672504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4542347672257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271173836278 + 2271173836279.

It is an arithmetic number, because the mean of its divisors is an integer number (2271173836279).

Almost surely, 2^{4542347672557} is an apocalyptic number.

It is an amenable number.

4542347672557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542347672557 is an equidigital number, since it uses as much as digits as its factorization.

4542347672557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568000, while the sum is 61.

The spelling of 4542347672557 in words is "four trillion, five hundred forty-two billion, three hundred forty-seven million, six hundred seventy-two thousand, five hundred fifty-seven".