6989253529 has 2 divisors, whose sum is σ = 6989253530. Its totient is φ = 6989253528.

The previous prime is 6989253473. The next prime is 6989253553. The reversal of 6989253529 is 9253529896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6533003929 + 456249600 = 80827^2 + 21360^2 .

It is a cyclic number.

It is not a de Polignac number, because 6989253529 - 2¹⁷ = 6989122457 is a prime.

It is not a weakly prime, because it can be changed into another prime (6989253599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494626764 + 3494626765.

It is an arithmetic number, because the mean of its divisors is an integer number (3494626765).

Almost surely, 2^6989253529 is an apocalyptic number.

It is an amenable number.

6989253529 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989253529 is an equidigital number, since it uses as much as digits as its factorization.

6989253529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 58.

The square root of 6989253529 is about 83601.7555377876. The cubic root of 6989253529 is about 1911.9517642787.

The spelling of 6989253529 in words is "six billion, nine hundred eighty-nine million, two hundred fifty-three thousand, five hundred twenty-nine".