2780533053253 has 2 divisors, whose sum is σ = 2780533053254. Its totient is φ = 2780533053252.

The previous prime is 2780533053197. The next prime is 2780533053289. The reversal of 2780533053253 is 3523503350872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1640863645444 + 1139669407809 = 1280962^2 + 1067553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2780533053253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2780533053293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390266526626 + 1390266526627.

It is an arithmetic number, because the mean of its divisors is an integer number (1390266526627).

Almost surely, 2^{2780533053253} is an apocalyptic number.

It is an amenable number.

2780533053253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780533053253 is an equidigital number, since it uses as much as digits as its factorization.

2780533053253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 2780533053253 in words is "two trillion, seven hundred eighty billion, five hundred thirty-three million, fifty-three thousand, two hundred fifty-three".