4698198156257 has 2 divisors, whose sum is σ = 4698198156258. Its totient is φ = 4698198156256.

The previous prime is 4698198156251. The next prime is 4698198156317. The reversal of 4698198156257 is 7526518918964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4677253988416 + 20944167841 = 2162696^2 + 144721^2 .

It is a cyclic number.

It is not a de Polignac number, because 4698198156257 - 2⁶ = 4698198156193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4698198156251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2349099078128 + 2349099078129.

It is an arithmetic number, because the mean of its divisors is an integer number (2349099078129).

Almost surely, 2^{4698198156257} is an apocalyptic number.

It is an amenable number.

4698198156257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4698198156257 is an equidigital number, since it uses as much as digits as its factorization.

4698198156257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 71.

The spelling of 4698198156257 in words is "four trillion, six hundred ninety-eight billion, one hundred ninety-eight million, one hundred fifty-six thousand, two hundred fifty-seven".