69634913 has 2 divisors, whose sum is σ = 69634914. Its totient is φ = 69634912.

The previous prime is 69634889. The next prime is 69634937. The reversal of 69634913 is 31943696.

It is a balanced prime because it is at equal distance from previous prime (69634889) and next prime (69634937).

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 28058209 = 6448^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 69634913 - 2⁶ = 69634849 is a prime.

It is a super-2 number, since 2×69634913² = 9698042217035138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69634963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34817456 + 34817457.

It is an arithmetic number, because the mean of its divisors is an integer number (34817457).

Almost surely, 2^69634913 is an apocalyptic number.

It is an amenable number.

69634913 is a deficient number, since it is larger than the sum of its proper divisors (1).

69634913 is an equidigital number, since it uses as much as digits as its factorization.

69634913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 69634913 is about 8344.7536212880. The cubic root of 69634913 is about 411.4107913610.

The spelling of 69634913 in words is "sixty-nine million, six hundred thirty-four thousand, nine hundred thirteen".