69482921 has 2 divisors, whose sum is σ = 69482922. Its totient is φ = 69482920.

The previous prime is 69482891. The next prime is 69482993. The reversal of 69482921 is 12928496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 1651225 = 8236^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 69482921 - 2⁶ = 69482857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69488921) 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, 34741460 + 34741461.

It is an arithmetic number, because the mean of its divisors is an integer number (34741461).

Almost surely, 2^69482921 is an apocalyptic number.

It is an amenable number.

69482921 is a deficient number, since it is larger than the sum of its proper divisors (1).

69482921 is an equidigital number, since it uses as much as digits as its factorization.

69482921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 69482921 is about 8335.6416069790. The cubic root of 69482921 is about 411.1112447826. Note that the first 3 decimals are identical.

The spelling of 69482921 in words is "sixty-nine million, four hundred eighty-two thousand, nine hundred twenty-one".