2163773546 has 24 divisors (see below), whose sum is σ = 3570403620. Its totient is φ = 982745280.

The previous prime is 2163773533. The next prime is 2163773567. The reversal of 2163773546 is 6453773612.

It can be written as a sum of positive squares in 2 ways, for example, as 1494982225 + 668791321 = 38665^2 + 25861^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2163773497 and 2163773506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386600 + ... + 392156.

Almost surely, 2^2163773546 is an apocalyptic number.

2163773546 is a deficient number, since it is larger than the sum of its proper divisors (1406630074).

2163773546 is a wasteful number, since it uses less digits than its factorization.

2163773546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190 (or 7179 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

The square root of 2163773546 is about 46516.3793302961. The cubic root of 2163773546 is about 1293.4131407484.

The spelling of 2163773546 in words is "two billion, one hundred sixty-three million, seven hundred seventy-three thousand, five hundred forty-six".