1069900439 has 2 divisors, whose sum is σ = 1069900440. Its totient is φ = 1069900438.

The previous prime is 1069900409. The next prime is 1069900441. The reversal of 1069900439 is 9340099601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1069900439 is a prime.

It is a super-2 number, since 2×1069900439² = 2289373898744785442, which contains 22 as substring.

Together with 1069900441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1069900396 and 1069900405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069900409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534950219 + 534950220.

It is an arithmetic number, because the mean of its divisors is an integer number (534950220).

Almost surely, 2^1069900439 is an apocalyptic number.

1069900439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069900439 is an equidigital number, since it uses as much as digits as its factorization.

1069900439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 1069900439 is about 32709.3325978993. The cubic root of 1069900439 is about 1022.7773974527. Note that the first 3 decimals are identical.

The spelling of 1069900439 in words is "one billion, sixty-nine million, nine hundred thousand, four hundred thirty-nine".