1013538857099 has 2 divisors, whose sum is σ = 1013538857100. Its totient is φ = 1013538857098.

The previous prime is 1013538857047. The next prime is 1013538857129. The reversal of 1013538857099 is 9907588353101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013538857099 is a prime.

It is a super-2 number, since 2×1013538857099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013538857899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506769428549 + 506769428550.

It is an arithmetic number, because the mean of its divisors is an integer number (506769428550).

Almost surely, 2^{1013538857099} is an apocalyptic number.

1013538857099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013538857099 is an equidigital number, since it uses as much as digits as its factorization.

1013538857099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 59.

The spelling of 1013538857099 in words is "one trillion, thirteen billion, five hundred thirty-eight million, eight hundred fifty-seven thousand, ninety-nine".