2735446921 has 2 divisors, whose sum is σ = 2735446922. Its totient is φ = 2735446920.

The previous prime is 2735446919. The next prime is 2735446927. The reversal of 2735446921 is 1296445372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2724318025 + 11128896 = 52195^2 + 3336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2735446921 - 2¹ = 2735446919 is a prime.

Together with 2735446919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2735446927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367723460 + 1367723461.

It is an arithmetic number, because the mean of its divisors is an integer number (1367723461).

Almost surely, 2^2735446921 is an apocalyptic number.

It is an amenable number.

2735446921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2735446921 is an equidigital number, since it uses as much as digits as its factorization.

2735446921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 2735446921 is about 52301.5001792492. The cubic root of 2735446921 is about 1398.5438807649.

The spelling of 2735446921 in words is "two billion, seven hundred thirty-five million, four hundred forty-six thousand, nine hundred twenty-one".