28763163349 has 16 divisors (see below), whose sum is σ = 29922407424. Its totient is φ = 27619228800.

The previous prime is 28763163323. The next prime is 28763163391. The reversal of 28763163349 is 94336136782.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28763163349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28763163296 and 28763163305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28763173349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109544 + ... + 2123134.

It is an arithmetic number, because the mean of its divisors is an integer number (1870150464).

Almost surely, 2^28763163349 is an apocalyptic number.

It is an amenable number.

28763163349 is a deficient number, since it is larger than the sum of its proper divisors (1159244075).

28763163349 is a wasteful number, since it uses less digits than its factorization.

28763163349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148.

The product of its digits is 3919104, while the sum is 52.

The spelling of 28763163349 in words is "twenty-eight billion, seven hundred sixty-three million, one hundred sixty-three thousand, three hundred forty-nine".