1013018875249 has 2 divisors, whose sum is σ = 1013018875250. Its totient is φ = 1013018875248.

The previous prime is 1013018875247. The next prime is 1013018875273. The reversal of 1013018875249 is 9425788103101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004214431025 + 8804444224 = 1002105^2 + 93832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013018875249 - 2¹ = 1013018875247 is a prime.

It is a super-2 number, since 2×1013018875249² (a number of 25 digits) contains 22 as substring.

Together with 1013018875247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1013018875247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506509437624 + 506509437625.

It is an arithmetic number, because the mean of its divisors is an integer number (506509437625).

Almost surely, 2^{1013018875249} is an apocalyptic number.

It is an amenable number.

1013018875249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013018875249 is an equidigital number, since it uses as much as digits as its factorization.

1013018875249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 1013018875249 in words is "one trillion, thirteen billion, eighteen million, eight hundred seventy-five thousand, two hundred forty-nine".