70774239869 has 2 divisors, whose sum is σ = 70774239870. Its totient is φ = 70774239868.

The previous prime is 70774239857. The next prime is 70774239881. The reversal of 70774239869 is 96893247707.

It is a balanced prime because it is at equal distance from previous prime (70774239857) and next prime (70774239881).

It can be written as a sum of positive squares in only one way, i.e., 70523175844 + 251064025 = 265562^2 + 15845^2 .

It is an emirp because it is prime and its reverse (96893247707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70774239869 - 2⁴ = 70774239853 is a prime.

It is a super-2 number, since 2×70774239869² (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 (70774239889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35387119934 + 35387119935.

It is an arithmetic number, because the mean of its divisors is an integer number (35387119935).

Almost surely, 2^70774239869 is an apocalyptic number.

It is an amenable number.

70774239869 is a deficient number, since it is larger than the sum of its proper divisors (1).

70774239869 is an equidigital number, since it uses as much as digits as its factorization.

70774239869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 70774239869 in words is "seventy billion, seven hundred seventy-four million, two hundred thirty-nine thousand, eight hundred sixty-nine".