4194214551557 has 2 divisors, whose sum is σ = 4194214551558. Its totient is φ = 4194214551556.

The previous prime is 4194214551551. The next prime is 4194214551589. The reversal of 4194214551557 is 7551554124914.

4194214551557 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., 2261297145121 + 1932917406436 = 1503761^2 + 1390294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4194214551557 is a prime.

It is a super-2 number, since 2×4194214551557² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4194214551499 and 4194214551508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4194214551551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097107275778 + 2097107275779.

It is an arithmetic number, because the mean of its divisors is an integer number (2097107275779).

Almost surely, 2^{4194214551557} is an apocalyptic number.

It is an amenable number.

4194214551557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194214551557 is an equidigital number, since it uses as much as digits as its factorization.

4194214551557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040000, while the sum is 53.

The spelling of 4194214551557 in words is "four trillion, one hundred ninety-four billion, two hundred fourteen million, five hundred fifty-one thousand, five hundred fifty-seven".