902343643 has 2 divisors, whose sum is σ = 902343644. Its totient is φ = 902343642.

The previous prime is 902343641. The next prime is 902343667. The reversal of 902343643 is 346343209.

It is a weak prime.

It is an emirp because it is prime and its reverse (346343209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 902343643 - 2¹ = 902343641 is a prime.

It is a super-2 number, since 2×902343643² = 1628448100125022898, which contains 22 as substring.

Together with 902343641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 902343599 and 902343608.

It is not a weakly prime, because it can be changed into another prime (902343641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451171821 + 451171822.

It is an arithmetic number, because the mean of its divisors is an integer number (451171822).

Almost surely, 2^902343643 is an apocalyptic number.

902343643 is a deficient number, since it is larger than the sum of its proper divisors (1).

902343643 is an equidigital number, since it uses as much as digits as its factorization.

902343643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 902343643 is about 30039.0353207289. The cubic root of 902343643 is about 966.3267183688.

The spelling of 902343643 in words is "nine hundred two million, three hundred forty-three thousand, six hundred forty-three".