2765638048 has 12 divisors (see below), whose sum is σ = 5444849970. Its totient is φ = 1382819008.

The previous prime is 2765638033. The next prime is 2765638063. The reversal of 2765638048 is 8408365672.

It is an interprime number because it is at equal distance from previous prime (2765638033) and next prime (2765638063).

It can be written as a sum of positive squares in only one way, i.e., 2698594704 + 67043344 = 51948^2 + 8188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2765637992 and 2765638010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43213063 + ... + 43213126.

Almost surely, 2^2765638048 is an apocalyptic number.

It is an amenable number.

2765638048 is a deficient number, since it is larger than the sum of its proper divisors (2679211922).

2765638048 is an equidigital number, since it uses as much as digits as its factorization.

2765638048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86426199 (or 86426191 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 2765638048 is about 52589.3339756267. Note that the first 3 decimals coincide. The cubic root of 2765638048 is about 1403.6703094619.

The spelling of 2765638048 in words is "two billion, seven hundred sixty-five million, six hundred thirty-eight thousand, forty-eight".