2773902647989 has 4 divisors (see below), whose sum is σ = 3026075616000. Its totient is φ = 2521729679980.

The previous prime is 2773902647981. The next prime is 2773902647993. The reversal of 2773902647989 is 9897462093772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2773902647989 - 2³ = 2773902647981 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 (2773902647981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126086483989 + ... + 126086484010.

It is an arithmetic number, because the mean of its divisors is an integer number (756518904000).

Almost surely, 2^{2773902647989} is an apocalyptic number.

It is an amenable number.

2773902647989 is a deficient number, since it is larger than the sum of its proper divisors (252172968011).

2773902647989 is a wasteful number, since it uses less digits than its factorization.

2773902647989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252172968010.

The product of its (nonzero) digits is 576108288, while the sum is 73.

The spelling of 2773902647989 in words is "two trillion, seven hundred seventy-three billion, nine hundred two million, six hundred forty-seven thousand, nine hundred eighty-nine".