1702128473 has 2 divisors, whose sum is σ = 1702128474. Its totient is φ = 1702128472.

The previous prime is 1702128403. The next prime is 1702128479. The reversal of 1702128473 is 3748212071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991746064 + 710382409 = 31492^2 + 26653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1702128473 - 2²² = 1697934169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1702128479) 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, 851064236 + 851064237.

It is an arithmetic number, because the mean of its divisors is an integer number (851064237).

Almost surely, 2^1702128473 is an apocalyptic number.

It is an amenable number.

1702128473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1702128473 is an equidigital number, since it uses as much as digits as its factorization.

1702128473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1702128473 is about 41256.8597084170. The cubic root of 1702128473 is about 1193.9810815940.

The spelling of 1702128473 in words is "one billion, seven hundred two million, one hundred twenty-eight thousand, four hundred seventy-three".