948447341657 has 2 divisors, whose sum is σ = 948447341658. Its totient is φ = 948447341656.

The previous prime is 948447341651. The next prime is 948447341671. The reversal of 948447341657 is 756143744849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780202990681 + 168244350976 = 883291^2 + 410176^2 .

It is a cyclic number.

It is not a de Polignac number, because 948447341657 - 2⁶ = 948447341593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 948447341657.

It is not a weakly prime, because it can be changed into another prime (948447341651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474223670828 + 474223670829.

It is an arithmetic number, because the mean of its divisors is an integer number (474223670829).

Almost surely, 2^948447341657 is an apocalyptic number.

It is an amenable number.

948447341657 is a deficient number, since it is larger than the sum of its proper divisors (1).

948447341657 is an equidigital number, since it uses as much as digits as its factorization.

948447341657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 62.

The spelling of 948447341657 in words is "nine hundred forty-eight billion, four hundred forty-seven million, three hundred forty-one thousand, six hundred fifty-seven".