2105602510493 has 2 divisors, whose sum is σ = 2105602510494. Its totient is φ = 2105602510492.

The previous prime is 2105602510489. The next prime is 2105602510579. The reversal of 2105602510493 is 3940152065012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1845541269049 + 260061241444 = 1358507^2 + 509962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105602510493 - 2² = 2105602510489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105602510423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052801255246 + 1052801255247.

It is an arithmetic number, because the mean of its divisors is an integer number (1052801255247).

Almost surely, 2^{2105602510493} is an apocalyptic number.

It is an amenable number.

2105602510493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105602510493 is an equidigital number, since it uses as much as digits as its factorization.

2105602510493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 2105602510493 in words is "two trillion, one hundred five billion, six hundred two million, five hundred ten thousand, four hundred ninety-three".