3963198857 has 2 divisors, whose sum is σ = 3963198858. Its totient is φ = 3963198856.

The previous prime is 3963198823. The next prime is 3963198859. The reversal of 3963198857 is 7588913693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2676613696 + 1286585161 = 51736^2 + 35869^2 .

It is a cyclic number.

It is not a de Polignac number, because 3963198857 - 2¹⁴ = 3963182473 is a prime.

It is a super-2 number, since 2×3963198857² = 31413890360252212898, which contains 22 as substring.

Together with 3963198859, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3963198796 and 3963198805.

It is not a weakly prime, because it can be changed into another prime (3963198859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981599428 + 1981599429.

It is an arithmetic number, because the mean of its divisors is an integer number (1981599429).

Almost surely, 2^3963198857 is an apocalyptic number.

It is an amenable number.

3963198857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3963198857 is an equidigital number, since it uses as much as digits as its factorization.

3963198857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The square root of 3963198857 is about 62953.9423467665. The cubic root of 3963198857 is about 1582.5178645430.

The spelling of 3963198857 in words is "three billion, nine hundred sixty-three million, one hundred ninety-eight thousand, eight hundred fifty-seven".