69104621 has 2 divisors, whose sum is σ = 69104622. Its totient is φ = 69104620.

The previous prime is 69104603. The next prime is 69104663. The reversal of 69104621 is 12640196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 2044900 = 8189^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 69104621 - 2¹⁰ = 69103597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69104681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34552310 + 34552311.

It is an arithmetic number, because the mean of its divisors is an integer number (34552311).

Almost surely, 2^69104621 is an apocalyptic number.

It is an amenable number.

69104621 is a deficient number, since it is larger than the sum of its proper divisors (1).

69104621 is an equidigital number, since it uses as much as digits as its factorization.

69104621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 69104621 is about 8312.9189217747. The cubic root of 69104621 is about 410.3637877687.

The spelling of 69104621 in words is "sixty-nine million, one hundred four thousand, six hundred twenty-one".