1704881813 has 2 divisors, whose sum is σ = 1704881814. Its totient is φ = 1704881812.

The previous prime is 1704881779. The next prime is 1704881821. The reversal of 1704881813 is 3181884071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1332469009 + 372412804 = 36503^2 + 19298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1704881813 - 2¹⁶ = 1704816277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1704821813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852440906 + 852440907.

It is an arithmetic number, because the mean of its divisors is an integer number (852440907).

Almost surely, 2^1704881813 is an apocalyptic number.

It is an amenable number.

1704881813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1704881813 is an equidigital number, since it uses as much as digits as its factorization.

1704881813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 1704881813 is about 41290.2144944780. The cubic root of 1704881813 is about 1194.6245239945.

The spelling of 1704881813 in words is "one billion, seven hundred four million, eight hundred eighty-one thousand, eight hundred thirteen".