2650156849 has 2 divisors, whose sum is σ = 2650156850. Its totient is φ = 2650156848.

The previous prime is 2650156837. The next prime is 2650156871. The reversal of 2650156849 is 9486510562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2645250624 + 4906225 = 51432^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650156849 - 2⁹ = 2650156337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2650156799 and 2650156808.

It is not a weakly prime, because it can be changed into another prime (2650156819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325078424 + 1325078425.

It is an arithmetic number, because the mean of its divisors is an integer number (1325078425).

Almost surely, 2^2650156849 is an apocalyptic number.

It is an amenable number.

2650156849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650156849 is an equidigital number, since it uses as much as digits as its factorization.

2650156849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2650156849 is about 51479.6741345553. The cubic root of 2650156849 is about 1383.8548052392.

The spelling of 2650156849 in words is "two billion, six hundred fifty million, one hundred fifty-six thousand, eight hundred forty-nine".