2049366856 has 8 divisors (see below), whose sum is σ = 3842562870. Its totient is φ = 1024683424.

The previous prime is 2049366853. The next prime is 2049366859. The reversal of 2049366856 is 6586639402.

It is an interprime number because it is at equal distance from previous prime (2049366853) and next prime (2049366859).

It can be written as a sum of positive squares in only one way, i.e., 1842984900 + 206381956 = 42930^2 + 14366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2049366853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128085421 + ... + 128085436.

Almost surely, 2^2049366856 is an apocalyptic number.

It is an amenable number.

2049366856 is a deficient number, since it is larger than the sum of its proper divisors (1793196014).

2049366856 is a wasteful number, since it uses less digits than its factorization.

2049366856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256170863 (or 256170859 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 2049366856 is about 45269.9332449254. The cubic root of 2049366856 is about 1270.2032981015.

The spelling of 2049366856 in words is "two billion, forty-nine million, three hundred sixty-six thousand, eight hundred fifty-six".