169428053 has 2 divisors, whose sum is σ = 169428054. Its totient is φ = 169428052.

The previous prime is 169428029. The next prime is 169428089. The reversal of 169428053 is 350824961.

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., 127735204 + 41692849 = 11302^2 + 6457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169428053 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 169427998 and 169428016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169428653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84714026 + 84714027.

It is an arithmetic number, because the mean of its divisors is an integer number (84714027).

Almost surely, 2^169428053 is an apocalyptic number.

It is an amenable number.

169428053 is a deficient number, since it is larger than the sum of its proper divisors (1).

169428053 is an equidigital number, since it uses as much as digits as its factorization.

169428053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 169428053 is about 13016.4531651291. The cubic root of 169428053 is about 553.3438745351.

The spelling of 169428053 in words is "one hundred sixty-nine million, four hundred twenty-eight thousand, fifty-three".