1043315869 has 2 divisors, whose sum is σ = 1043315870. Its totient is φ = 1043315868.

The previous prime is 1043315863. The next prime is 1043315921. The reversal of 1043315869 is 9685133401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 787475844 + 255840025 = 28062^2 + 15995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043315869 - 2¹³ = 1043307677 is a prime.

It is a super-2 number, since 2×1043315869² = 2177016005014450322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043315863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521657934 + 521657935.

It is an arithmetic number, because the mean of its divisors is an integer number (521657935).

Almost surely, 2^1043315869 is an apocalyptic number.

It is an amenable number.

1043315869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043315869 is an equidigital number, since it uses as much as digits as its factorization.

1043315869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1043315869 is about 32300.4004464341. The cubic root of 1043315869 is about 1014.2350255386.

The spelling of 1043315869 in words is "one billion, forty-three million, three hundred fifteen thousand, eight hundred sixty-nine".