70734548869 has 2 divisors, whose sum is σ = 70734548870. Its totient is φ = 70734548868.

The previous prime is 70734548849. The next prime is 70734548903. The reversal of 70734548869 is 96884543707.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44308145025 + 26426403844 = 210495^2 + 162562^2 .

It is a cyclic number.

It is not a de Polignac number, because 70734548869 - 2⁷ = 70734548741 is a prime.

It is a super-2 number, since 2×70734548869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70734548849) 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, 35367274434 + 35367274435.

It is an arithmetic number, because the mean of its divisors is an integer number (35367274435).

Almost surely, 2^70734548869 is an apocalyptic number.

It is an amenable number.

70734548869 is a deficient number, since it is larger than the sum of its proper divisors (1).

70734548869 is an equidigital number, since it uses as much as digits as its factorization.

70734548869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 70734548869 in words is "seventy billion, seven hundred thirty-four million, five hundred forty-eight thousand, eight hundred sixty-nine".