1070863709 has 2 divisors, whose sum is σ = 1070863710. Its totient is φ = 1070863708.

The previous prime is 1070863691. The next prime is 1070863751. The reversal of 1070863709 is 9073680701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059828025 + 11035684 = 32555^2 + 3322^2 .

It is an emirp because it is prime and its reverse (9073680701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1070863709 - 2¹² = 1070859613 is a prime.

It is a super-2 number, since 2×1070863709² = 2293498166506473362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1070863909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535431854 + 535431855.

It is an arithmetic number, because the mean of its divisors is an integer number (535431855).

Almost surely, 2^1070863709 is an apocalyptic number.

It is an amenable number.

1070863709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070863709 is an equidigital number, since it uses as much as digits as its factorization.

1070863709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1070863709 is about 32724.0539817425. The cubic root of 1070863709 is about 1023.0842531880.

The spelling of 1070863709 in words is "one billion, seventy million, eight hundred sixty-three thousand, seven hundred nine".