69041772841 has 2 divisors, whose sum is σ = 69041772842. Its totient is φ = 69041772840.

The previous prime is 69041772817. The next prime is 69041772851. The reversal of 69041772841 is 14827714096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64971970816 + 4069802025 = 254896^2 + 63795^2 .

It is a cyclic number.

It is not a de Polignac number, because 69041772841 - 2¹⁷ = 69041641769 is a prime.

It is a super-2 number, since 2×69041772841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69041772851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34520886420 + 34520886421.

It is an arithmetic number, because the mean of its divisors is an integer number (34520886421).

Almost surely, 2^69041772841 is an apocalyptic number.

It is an amenable number.

69041772841 is a deficient number, since it is larger than the sum of its proper divisors (1).

69041772841 is an equidigital number, since it uses as much as digits as its factorization.

69041772841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 69041772841 in words is "sixty-nine billion, forty-one million, seven hundred seventy-two thousand, eight hundred forty-one".