2276120729 has 2 divisors, whose sum is σ = 2276120730. Its totient is φ = 2276120728.

The previous prime is 2276120723. The next prime is 2276120857. The reversal of 2276120729 is 9270216722.

2276120729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2141560729 + 134560000 = 46277^2 + 11600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2276120729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2276120692 and 2276120701.

It is not a weakly prime, because it can be changed into another prime (2276120723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138060364 + 1138060365.

It is an arithmetic number, because the mean of its divisors is an integer number (1138060365).

Almost surely, 2^2276120729 is an apocalyptic number.

It is an amenable number.

2276120729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2276120729 is an equidigital number, since it uses as much as digits as its factorization.

2276120729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 2276120729 is about 47708.7070564693. The cubic root of 2276120729 is about 1315.4219908560.

The spelling of 2276120729 in words is "two billion, two hundred seventy-six million, one hundred twenty thousand, seven hundred twenty-nine".