708020669 has 2 divisors, whose sum is σ = 708020670. Its totient is φ = 708020668.

The previous prime is 708020657. The next prime is 708020681. The reversal of 708020669 is 966020807.

It is a balanced prime because it is at equal distance from previous prime (708020657) and next prime (708020681).

It can be written as a sum of positive squares in only one way, i.e., 644499769 + 63520900 = 25387^2 + 7970^2 .

It is a cyclic number.

It is not a de Polignac number, because 708020669 - 2⁴ = 708020653 is a prime.

It is a super-2 number, since 2×708020669² = 1002586535462415122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708020609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354010334 + 354010335.

It is an arithmetic number, because the mean of its divisors is an integer number (354010335).

Almost surely, 2^708020669 is an apocalyptic number.

It is an amenable number.

708020669 is a deficient number, since it is larger than the sum of its proper divisors (1).

708020669 is an equidigital number, since it uses as much as digits as its factorization.

708020669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 708020669 is about 26608.6577827594. The cubic root of 708020669 is about 891.2823617411.

The spelling of 708020669 in words is "seven hundred eight million, twenty thousand, six hundred sixty-nine".