2780302553053 has 4 divisors (see below), whose sum is σ = 2780306450460. Its totient is φ = 2780298655648.

The previous prime is 2780302553027. The next prime is 2780302553057. The reversal of 2780302553053 is 3503552030872.

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 453222475524 + 2327080077529 = 673218^2 + 1525477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2780302553053 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 (2780302553057) 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, 538450 + ... + 2418787.

It is an arithmetic number, because the mean of its divisors is an integer number (695076612615).

Almost surely, 2^{2780302553053} is an apocalyptic number.

It is an amenable number.

2780302553053 is a deficient number, since it is larger than the sum of its proper divisors (3897407).

2780302553053 is an equidigital number, since it uses as much as digits as its factorization.

2780302553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897406.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 2780302553053 in words is "two trillion, seven hundred eighty billion, three hundred two million, five hundred fifty-three thousand, fifty-three".