108690642500029 has 2 divisors, whose sum is σ = 108690642500030. Its totient is φ = 108690642500028.

The previous prime is 108690642500023. The next prime is 108690642500051. The reversal of 108690642500029 is 920005246096801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103262138592804 + 5428503907225 = 10161798^2 + 2329915^2 .

It is a cyclic number.

It is not a de Polignac number, because 108690642500029 - 2⁵ = 108690642499997 is a prime.

It is a super-2 number, since 2×108690642500029² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108690642500023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54345321250014 + 54345321250015.

It is an arithmetic number, because the mean of its divisors is an integer number (54345321250015).

Almost surely, 2^{108690642500029} is an apocalyptic number.

It is an amenable number.

108690642500029 is a deficient number, since it is larger than the sum of its proper divisors (1).

108690642500029 is an equidigital number, since it uses as much as digits as its factorization.

108690642500029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 108690642500029 in words is "one hundred eight trillion, six hundred ninety billion, six hundred forty-two million, five hundred thousand, twenty-nine".