2681228007 has 8 divisors (see below), whose sum is σ = 3972189680. Its totient is φ = 1787485320.

The previous prime is 2681227993. The next prime is 2681228009. The reversal of 2681228007 is 7008221862.

It is a happy number.

It is not a de Polignac number, because 2681228007 - 2⁶ = 2681227943 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 (2681228009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49652344 + ... + 49652397.

It is an arithmetic number, because the mean of its divisors is an integer number (496523710).

Almost surely, 2^2681228007 is an apocalyptic number.

2681228007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2681228007 is a deficient number, since it is larger than the sum of its proper divisors (1290961673).

2681228007 is an equidigital number, since it uses as much as digits as its factorization.

2681228007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99304750 (or 99304744 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2681228007 is about 51780.5755761753. The cubic root of 2681228007 is about 1389.2420357348.

Adding to 2681228007 its reverse (7008221862), we get a palindrome (9689449869).

The spelling of 2681228007 in words is "two billion, six hundred eighty-one million, two hundred twenty-eight thousand, seven".