69121663153 has 2 divisors, whose sum is σ = 69121663154. Its totient is φ = 69121663152.

The previous prime is 69121663097. The next prime is 69121663211. The reversal of 69121663153 is 35136612196.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52088019984 + 17033643169 = 228228^2 + 130513^2 .

It is a cyclic number.

It is not a de Polignac number, because 69121663153 - 2⁹ = 69121662641 is a prime.

It is not a weakly prime, because it can be changed into another prime (69121663253) 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, 34560831576 + 34560831577.

It is an arithmetic number, because the mean of its divisors is an integer number (34560831577).

Almost surely, 2^69121663153 is an apocalyptic number.

It is an amenable number.

69121663153 is a deficient number, since it is larger than the sum of its proper divisors (1).

69121663153 is an equidigital number, since it uses as much as digits as its factorization.

69121663153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The spelling of 69121663153 in words is "sixty-nine billion, one hundred twenty-one million, six hundred sixty-three thousand, one hundred fifty-three".