42929695577 has 2 divisors, whose sum is σ = 42929695578. Its totient is φ = 42929695576.

The previous prime is 42929695537. The next prime is 42929695637. The reversal of 42929695577 is 77559692924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41054459161 + 1875236416 = 202619^2 + 43304^2 .

It is a cyclic number.

It is not a de Polignac number, because 42929695577 - 2⁸ = 42929695321 is a prime.

It is not a weakly prime, because it can be changed into another prime (42929695537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21464847788 + 21464847789.

It is an arithmetic number, because the mean of its divisors is an integer number (21464847789).

Almost surely, 2^42929695577 is an apocalyptic number.

It is an amenable number.

42929695577 is a deficient number, since it is larger than the sum of its proper divisors (1).

42929695577 is an equidigital number, since it uses as much as digits as its factorization.

42929695577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85730400, while the sum is 65.

The spelling of 42929695577 in words is "forty-two billion, nine hundred twenty-nine million, six hundred ninety-five thousand, five hundred seventy-seven".