2905872773 has 4 divisors (see below), whose sum is σ = 2912345100. Its totient is φ = 2899400448.

The previous prime is 2905872763. The next prime is 2905872793. The reversal of 2905872773 is 3772785092.

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 1525527364 + 1380345409 = 39058^2 + 37153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2905872773 - 2¹⁴ = 2905856389 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 (2905872743) 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, 3235490 + ... + 3236387.

It is an arithmetic number, because the mean of its divisors is an integer number (728086275).

Almost surely, 2^2905872773 is an apocalyptic number.

It is an amenable number.

2905872773 is a deficient number, since it is larger than the sum of its proper divisors (6472327).

2905872773 is an equidigital number, since it uses as much as digits as its factorization.

2905872773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472326.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 2905872773 is about 53906.1478219321. The cubic root of 2905872773 is about 1427.0051219437.

The spelling of 2905872773 in words is "two billion, nine hundred five million, eight hundred seventy-two thousand, seven hundred seventy-three".