1002095869 has 2 divisors, whose sum is σ = 1002095870. Its totient is φ = 1002095868.

The previous prime is 1002095867. The next prime is 1002095873. The reversal of 1002095869 is 9685902001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982070244 + 20025625 = 31338^2 + 4475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002095869 - 2¹ = 1002095867 is a prime.

It is a super-2 number, since 2×1002095869² = 2008392261333730322, which contains 22 as substring.

Together with 1002095867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002095867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501047934 + 501047935.

It is an arithmetic number, because the mean of its divisors is an integer number (501047935).

Almost surely, 2^1002095869 is an apocalyptic number.

It is an amenable number.

1002095869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002095869 is an equidigital number, since it uses as much as digits as its factorization.

1002095869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1002095869 is about 31655.8978549022. The cubic root of 1002095869 is about 1000.6981354934.

The spelling of 1002095869 in words is "one billion, two million, ninety-five thousand, eight hundred sixty-nine".