1684298353 has 2 divisors, whose sum is σ = 1684298354. Its totient is φ = 1684298352.

The previous prime is 1684298269. The next prime is 1684298383. The reversal of 1684298353 is 3538924861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911013489 + 773284864 = 30183^2 + 27808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1684298353 - 2¹⁷ = 1684167281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1684298297 and 1684298306.

It is not a weakly prime, because it can be changed into another prime (1684298383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842149176 + 842149177.

It is an arithmetic number, because the mean of its divisors is an integer number (842149177).

Almost surely, 2^1684298353 is an apocalyptic number.

It is an amenable number.

1684298353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1684298353 is an equidigital number, since it uses as much as digits as its factorization.

1684298353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 1684298353 is about 41040.2041052429. The cubic root of 1684298353 is about 1189.7973792909.

The spelling of 1684298353 in words is "one billion, six hundred eighty-four million, two hundred ninety-eight thousand, three hundred fifty-three".