1071792389 has 2 divisors, whose sum is σ = 1071792390. Its totient is φ = 1071792388.

The previous prime is 1071792377. The next prime is 1071792391. The reversal of 1071792389 is 9832971701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613404289 + 458388100 = 24767^2 + 21410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071792389 - 2²⁴ = 1055015173 is a prime.

It is a super-2 number, since 2×1071792389² = 2297477850236654642, which contains 22 as substring.

Together with 1071792391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071792349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535896194 + 535896195.

It is an arithmetic number, because the mean of its divisors is an integer number (535896195).

Almost surely, 2^1071792389 is an apocalyptic number.

It is an amenable number.

1071792389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071792389 is an equidigital number, since it uses as much as digits as its factorization.

1071792389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 1071792389 is about 32738.2404689073. The cubic root of 1071792389 is about 1023.3799158863.

The spelling of 1071792389 in words is "one billion, seventy-one million, seven hundred ninety-two thousand, three hundred eighty-nine".