70557678998281 has 2 divisors, whose sum is σ = 70557678998282. Its totient is φ = 70557678998280.

The previous prime is 70557678998197. The next prime is 70557678998363. The reversal of 70557678998281 is 18289987675507.

It is an a-pointer prime, because the next prime (70557678998363) can be obtained adding 70557678998281 to its sum of digits (82).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65811991026681 + 4745687971600 = 8112459^2 + 2178460^2 .

It is a cyclic number.

It is not a de Polignac number, because 70557678998281 - 2³³ = 70549089063689 is a prime.

It is a super-2 number, since 2×70557678998281² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70557678998195 and 70557678998204.

It is not a weakly prime, because it can be changed into another prime (70557678918281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35278839499140 + 35278839499141.

It is an arithmetic number, because the mean of its divisors is an integer number (35278839499141).

Almost surely, 2^{70557678998281} is an apocalyptic number.

It is an amenable number.

70557678998281 is a deficient number, since it is larger than the sum of its proper divisors (1).

70557678998281 is an equidigital number, since it uses as much as digits as its factorization.

70557678998281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4267468800, while the sum is 82.

The spelling of 70557678998281 in words is "seventy trillion, five hundred fifty-seven billion, six hundred seventy-eight million, nine hundred ninety-eight thousand, two hundred eighty-one".