4230000778541 has 2 divisors, whose sum is σ = 4230000778542. Its totient is φ = 4230000778540.

The previous prime is 4230000778529. The next prime is 4230000778583. The reversal of 4230000778541 is 1458770000324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3872571373225 + 357429405316 = 1967885^2 + 597854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4230000778541 is a prime.

It is a super-2 number, since 2×4230000778541² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4230000748541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115000389270 + 2115000389271.

It is an arithmetic number, because the mean of its divisors is an integer number (2115000389271).

Almost surely, 2^{4230000778541} is an apocalyptic number.

It is an amenable number.

4230000778541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230000778541 is an equidigital number, since it uses as much as digits as its factorization.

4230000778541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 41.

Adding to 4230000778541 its reverse (1458770000324), we get a palindrome (5688770778865).

The spelling of 4230000778541 in words is "four trillion, two hundred thirty billion, seven hundred seventy-eight thousand, five hundred forty-one".