69378013 has 2 divisors, whose sum is σ = 69378014. Its totient is φ = 69378012.

The previous prime is 69377999. The next prime is 69378061. The reversal of 69378013 is 31087396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 24581764 = 6693^2 + 4958^2 .

It is a cyclic number.

It is not a de Polignac number, because 69378013 - 2⁵ = 69377981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69378083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34689006 + 34689007.

It is an arithmetic number, because the mean of its divisors is an integer number (34689007).

Almost surely, 2^69378013 is an apocalyptic number.

It is an amenable number.

69378013 is a deficient number, since it is larger than the sum of its proper divisors (1).

69378013 is an equidigital number, since it uses as much as digits as its factorization.

69378013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 69378013 is about 8329.3464929729. The cubic root of 69378013 is about 410.9042366817.

The spelling of 69378013 in words is "sixty-nine million, three hundred seventy-eight thousand, thirteen".