28526062969 has 2 divisors, whose sum is σ = 28526062970. Its totient is φ = 28526062968.

The previous prime is 28526062879. The next prime is 28526062973. The reversal of 28526062969 is 96926062582.

28526062969 = T₁₃₇₉₀₂ + T₁₃₇₉₀₃ + T₁₃₇₉₀₄.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27818236944 + 707826025 = 166788^2 + 26605^2 .

It is a cyclic number.

It is not a de Polignac number, because 28526062969 - 2⁷ = 28526062841 is a prime.

It is a super-2 number, since 2×28526062969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28526062979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14263031484 + 14263031485.

It is an arithmetic number, because the mean of its divisors is an integer number (14263031485).

Almost surely, 2^28526062969 is an apocalyptic number.

28526062969 is the 137904-th centered triangular number and also the 97513-rd hex number.

It is an amenable number.

28526062969 is a deficient number, since it is larger than the sum of its proper divisors (1).

28526062969 is an equidigital number, since it uses as much as digits as its factorization.

28526062969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 28526062969 in words is "twenty-eight billion, five hundred twenty-six million, sixty-two thousand, nine hundred sixty-nine".