902343641 has 2 divisors, whose sum is σ = 902343642. Its totient is φ = 902343640.

The previous prime is 902343623. The next prime is 902343643. The reversal of 902343641 is 146343209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461175625 + 441168016 = 21475^2 + 21004^2 .

It is a cyclic number.

It is not a de Polignac number, because 902343641 - 2⁶ = 902343577 is a prime.

Together with 902343643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 902343598 and 902343607.

It is not a weakly prime, because it can be changed into another prime (902343643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451171820 + 451171821.

It is an arithmetic number, because the mean of its divisors is an integer number (451171821).

Almost surely, 2^902343641 is an apocalyptic number.

It is an amenable number.

902343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

902343641 is an equidigital number, since it uses as much as digits as its factorization.

902343641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 902343641 is about 30039.0352874389. The cubic root of 902343641 is about 966.3267176548.

The spelling of 902343641 in words is "nine hundred two million, three hundred forty-three thousand, six hundred forty-one".