2513023487993 has 2 divisors, whose sum is σ = 2513023487994. Its totient is φ = 2513023487992.

The previous prime is 2513023487959. The next prime is 2513023488007. The reversal of 2513023487993 is 3997843203152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308418345104 + 204605142889 = 1519348^2 + 452333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513023487993 - 2²² = 2513019293689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2513023487693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256511743996 + 1256511743997.

It is an arithmetic number, because the mean of its divisors is an integer number (1256511743997).

Almost surely, 2^{2513023487993} is an apocalyptic number.

It is an amenable number.

2513023487993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513023487993 is an equidigital number, since it uses as much as digits as its factorization.

2513023487993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 2513023487993 in words is "two trillion, five hundred thirteen billion, twenty-three million, four hundred eighty-seven thousand, nine hundred ninety-three".