873418969 has 2 divisors, whose sum is σ = 873418970. Its totient is φ = 873418968.

The previous prime is 873418957. The next prime is 873418981. The reversal of 873418969 is 969814378.

It is a balanced prime because it is at equal distance from previous prime (873418957) and next prime (873418981).

It can be written as a sum of positive squares in only one way, i.e., 865124569 + 8294400 = 29413^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 873418969 - 2⁵ = 873418937 is a prime.

It is a super-2 number, since 2×873418969² = 1525721390818045922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (871418969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436709484 + 436709485.

It is an arithmetic number, because the mean of its divisors is an integer number (436709485).

Almost surely, 2^873418969 is an apocalyptic number.

It is an amenable number.

873418969 is a deficient number, since it is larger than the sum of its proper divisors (1).

873418969 is an equidigital number, since it uses as much as digits as its factorization.

873418969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 873418969 is about 29553.6625310637. The cubic root of 873418969 is about 955.8891672105.

The spelling of 873418969 in words is "eight hundred seventy-three million, four hundred eighteen thousand, nine hundred sixty-nine".