1000234398517 has 2 divisors, whose sum is σ = 1000234398518. Its totient is φ = 1000234398516.

The previous prime is 1000234398479. The next prime is 1000234398523. The reversal of 1000234398517 is 7158934320001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000132004356 + 102394161 = 1000066^2 + 10119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000234398517 - 2⁷ = 1000234398389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000234398587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500117199258 + 500117199259.

It is an arithmetic number, because the mean of its divisors is an integer number (500117199259).

Almost surely, 2^{1000234398517} is an apocalyptic number.

It is an amenable number.

1000234398517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000234398517 is an equidigital number, since it uses as much as digits as its factorization.

1000234398517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 1000234398517 in words is "one trillion, two hundred thirty-four million, three hundred ninety-eight thousand, five hundred seventeen".