69062989 has 2 divisors, whose sum is σ = 69062990. Its totient is φ = 69062988.

The previous prime is 69062977. The next prime is 69062999. The reversal of 69062989 is 98926096.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69056100 + 6889 = 8310^2 + 83^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69062989 is a prime.

It is a super-2 number, since 2×69062989² = 9539392899228242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69062999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34531494 + 34531495.

It is an arithmetic number, because the mean of its divisors is an integer number (34531495).

Almost surely, 2^69062989 is an apocalyptic number.

It is an amenable number.

69062989 is a deficient number, since it is larger than the sum of its proper divisors (1).

69062989 is an equidigital number, since it uses as much as digits as its factorization.

69062989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 69062989 is about 8310.4144902646. The cubic root of 69062989 is about 410.2813634826.

The spelling of 69062989 in words is "sixty-nine million, sixty-two thousand, nine hundred eighty-nine".