2529663931493 has 4 divisors (see below), whose sum is σ = 2552871857580. Its totient is φ = 2506456005408.

The previous prime is 2529663931481. The next prime is 2529663931507. The reversal of 2529663931493 is 3941393669252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2073075873124 + 456588058369 = 1439818^2 + 675713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2529663931493 - 2²⁶ = 2529596822629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529663931453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11603962880 + ... + 11603963097.

It is an arithmetic number, because the mean of its divisors is an integer number (638217964395).

Almost surely, 2^{2529663931493} is an apocalyptic number.

It is an amenable number.

2529663931493 is a deficient number, since it is larger than the sum of its proper divisors (23207926087).

2529663931493 is a wasteful number, since it uses less digits than its factorization.

2529663931493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23207926086.

The product of its digits is 56687040, while the sum is 62.

The spelling of 2529663931493 in words is "two trillion, five hundred twenty-nine billion, six hundred sixty-three million, nine hundred thirty-one thousand, four hundred ninety-three".