70748280155569 has 2 divisors, whose sum is σ = 70748280155570. Its totient is φ = 70748280155568.

The previous prime is 70748280155473. The next prime is 70748280155587. The reversal of 70748280155569 is 96555108284707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70602594426225 + 145685729344 = 8402535^2 + 381688^2 .

It is a cyclic number.

It is not a de Polignac number, because 70748280155569 - 2¹¹ = 70748280153521 is a prime.

It is a super-2 number, since 2×70748280155569² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70748280155269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35374140077784 + 35374140077785.

It is an arithmetic number, because the mean of its divisors is an integer number (35374140077785).

Almost surely, 2^{70748280155569} is an apocalyptic number.

It is an amenable number.

70748280155569 is a deficient number, since it is larger than the sum of its proper divisors (1).

70748280155569 is an equidigital number, since it uses as much as digits as its factorization.

70748280155569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344000, while the sum is 67.

The spelling of 70748280155569 in words is "seventy trillion, seven hundred forty-eight billion, two hundred eighty million, one hundred fifty-five thousand, five hundred sixty-nine".