689283013 has 2 divisors, whose sum is σ = 689283014. Its totient is φ = 689283012.

The previous prime is 689282999. The next prime is 689283019. The reversal of 689283013 is 310382986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561547809 + 127735204 = 23697^2 + 11302^2 .

It is a cyclic number.

It is not a de Polignac number, because 689283013 - 2¹⁷ = 689151941 is a prime.

It is a super-2 number, since 2×689283013² = 950222144020716338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689283019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344641506 + 344641507.

It is an arithmetic number, because the mean of its divisors is an integer number (344641507).

Almost surely, 2^689283013 is an apocalyptic number.

It is an amenable number.

689283013 is a deficient number, since it is larger than the sum of its proper divisors (1).

689283013 is an equidigital number, since it uses as much as digits as its factorization.

689283013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 689283013 is about 26254.1999116332. The cubic root of 689283013 is about 883.3494139076.

The spelling of 689283013 in words is "six hundred eighty-nine million, two hundred eighty-three thousand, thirteen".