69669601 has 2 divisors, whose sum is σ = 69669602. Its totient is φ = 69669600.

The previous prime is 69669577. The next prime is 69669643. The reversal of 69669601 is 10696696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 28901376 = 6385^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 69669601 - 2⁷ = 69669473 is a prime.

It is not a weakly prime, because it can be changed into another prime (69669661) 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, 34834800 + 34834801.

It is an arithmetic number, because the mean of its divisors is an integer number (34834801).

Almost surely, 2^69669601 is an apocalyptic number.

It is an amenable number.

69669601 is a deficient number, since it is larger than the sum of its proper divisors (1).

69669601 is an equidigital number, since it uses as much as digits as its factorization.

69669601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 69669601 is about 8346.8317941600. The cubic root of 69669601 is about 411.4790935384.

The spelling of 69669601 in words is "sixty-nine million, six hundred sixty-nine thousand, six hundred one".