2773544453772 has 12 divisors (see below), whose sum is σ = 6471603725496. Its totient is φ = 924514817920.

The previous prime is 2773544453689. The next prime is 2773544453773.

It is a happy number.

2773544453772 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2773544453773) 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, 115564352229 + ... + 115564352252.

It is an arithmetic number, because the mean of its divisors is an integer number (539300310458).

Almost surely, 2^{2773544453772} is an apocalyptic number.

It is an amenable number.

2773544453772 is an abundant number, since it is smaller than the sum of its proper divisors (3698059271724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2773544453772 is a wasteful number, since it uses less digits than its factorization.

2773544453772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231128704488 (or 231128704486 counting only the distinct ones).

The product of its digits is 138297600, while the sum is 60.

The spelling of 2773544453772 in words is "two trillion, seven hundred seventy-three billion, five hundred forty-four million, four hundred fifty-three thousand, seven hundred seventy-two".