2790156949 has 2 divisors, whose sum is σ = 2790156950. Its totient is φ = 2790156948.

The previous prime is 2790156917. The next prime is 2790156989. The reversal of 2790156949 is 9496510972.

2790156949 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., 1466507025 + 1323649924 = 38295^2 + 36382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790156949 - 2⁵ = 2790156917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2790156896 and 2790156905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2790156989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395078474 + 1395078475.

It is an arithmetic number, because the mean of its divisors is an integer number (1395078475).

Almost surely, 2^2790156949 is an apocalyptic number.

It is an amenable number.

2790156949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790156949 is an equidigital number, since it uses as much as digits as its factorization.

2790156949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2790156949 is about 52821.9362481157. The cubic root of 2790156949 is about 1407.8062139478.

The spelling of 2790156949 in words is "two billion, seven hundred ninety million, one hundred fifty-six thousand, nine hundred forty-nine".