869953153 has 2 divisors, whose sum is σ = 869953154. Its totient is φ = 869953152.

The previous prime is 869953103. The next prime is 869953159. The reversal of 869953153 is 351359968.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643992129 + 225961024 = 25377^2 + 15032^2 .

It is a cyclic number.

It is not a de Polignac number, because 869953153 - 2⁹ = 869952641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 869953097 and 869953106.

It is not a weakly prime, because it can be changed into another prime (869953159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434976576 + 434976577.

It is an arithmetic number, because the mean of its divisors is an integer number (434976577).

Almost surely, 2^869953153 is an apocalyptic number.

It is an amenable number.

869953153 is a deficient number, since it is larger than the sum of its proper divisors (1).

869953153 is an equidigital number, since it uses as much as digits as its factorization.

869953153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 49.

The square root of 869953153 is about 29494.9682657907. The cubic root of 869953153 is about 954.6231357500.

The spelling of 869953153 in words is "eight hundred sixty-nine million, nine hundred fifty-three thousand, one hundred fifty-three".