803420749 has 2 divisors, whose sum is σ = 803420750. Its totient is φ = 803420748.

The previous prime is 803420747. The next prime is 803420803. The reversal of 803420749 is 947024308.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748022500 + 55398249 = 27350^2 + 7443^2 .

It is a cyclic number.

It is not a de Polignac number, because 803420749 - 2¹ = 803420747 is a prime.

Together with 803420747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803420741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401710374 + 401710375.

It is an arithmetic number, because the mean of its divisors is an integer number (401710375).

Almost surely, 2^803420749 is an apocalyptic number.

It is an amenable number.

803420749 is a deficient number, since it is larger than the sum of its proper divisors (1).

803420749 is an equidigital number, since it uses as much as digits as its factorization.

803420749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 803420749 is about 28344.6776132663. The cubic root of 803420749 is about 929.6390278288.

The spelling of 803420749 in words is "eight hundred three million, four hundred twenty thousand, seven hundred forty-nine".