1000557294349 has 2 divisors, whose sum is σ = 1000557294350. Its totient is φ = 1000557294348.

The previous prime is 1000557294263. The next prime is 1000557294379. The reversal of 1000557294349 is 9434927550001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939329256100 + 61228038249 = 969190^2 + 247443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000557294349 - 2¹⁵ = 1000557261581 is a prime.

It is a super-2 number, since 2×1000557294349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000557294379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500278647174 + 500278647175.

It is an arithmetic number, because the mean of its divisors is an integer number (500278647175).

Almost surely, 2^{1000557294349} is an apocalyptic number.

It is an amenable number.

1000557294349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000557294349 is an equidigital number, since it uses as much as digits as its factorization.

1000557294349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 1000557294349 in words is "one trillion, five hundred fifty-seven million, two hundred ninety-four thousand, three hundred forty-nine".