869230133 has 2 divisors, whose sum is σ = 869230134. Its totient is φ = 869230132.

The previous prime is 869230129. The next prime is 869230147. The reversal of 869230133 is 331032968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830765329 + 38464804 = 28823^2 + 6202^2 .

It is a cyclic number.

It is not a de Polignac number, because 869230133 - 2² = 869230129 is a prime.

It is a super-2 number, since 2×869230133² = 1511122048230395378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869230093 and 869230102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869230123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434615066 + 434615067.

It is an arithmetic number, because the mean of its divisors is an integer number (434615067).

Almost surely, 2^869230133 is an apocalyptic number.

It is an amenable number.

869230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

869230133 is an equidigital number, since it uses as much as digits as its factorization.

869230133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 869230133 is about 29482.7090512388. The cubic root of 869230133 is about 954.3585993139.

The spelling of 869230133 in words is "eight hundred sixty-nine million, two hundred thirty thousand, one hundred thirty-three".