69542368829 has 2 divisors, whose sum is σ = 69542368830. Its totient is φ = 69542368828.

The previous prime is 69542368799. The next prime is 69542368849. The reversal of 69542368829 is 92886324596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68562804025 + 979564804 = 261845^2 + 31298^2 .

It is a cyclic number.

It is not a de Polignac number, because 69542368829 - 2²⁴ = 69525591613 is a prime.

It is a super-2 number, since 2×69542368829² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69542368849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34771184414 + 34771184415.

It is an arithmetic number, because the mean of its divisors is an integer number (34771184415).

Almost surely, 2^69542368829 is an apocalyptic number.

It is an amenable number.

69542368829 is a deficient number, since it is larger than the sum of its proper divisors (1).

69542368829 is an equidigital number, since it uses as much as digits as its factorization.

69542368829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 62.

The spelling of 69542368829 in words is "sixty-nine billion, five hundred forty-two million, three hundred sixty-eight thousand, eight hundred twenty-nine".