2650420349 has 2 divisors, whose sum is σ = 2650420350. Its totient is φ = 2650420348.

The previous prime is 2650420321. The next prime is 2650420351. The reversal of 2650420349 is 9430240562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2650396324 + 24025 = 51482^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650420349 - 2¹² = 2650416253 is a prime.

Together with 2650420351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650410349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325210174 + 1325210175.

It is an arithmetic number, because the mean of its divisors is an integer number (1325210175).

Almost surely, 2^2650420349 is an apocalyptic number.

It is an amenable number.

2650420349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650420349 is an equidigital number, since it uses as much as digits as its factorization.

2650420349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2650420349 is about 51482.2333334520. The cubic root of 2650420349 is about 1383.9006683934.

The spelling of 2650420349 in words is "two billion, six hundred fifty million, four hundred twenty thousand, three hundred forty-nine".