69381371 has 2 divisors, whose sum is σ = 69381372. Its totient is φ = 69381370.

The previous prime is 69381359. The next prime is 69381373. The reversal of 69381371 is 17318396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69381371 - 2¹⁸ = 69119227 is a prime.

Together with 69381373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69381373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34690685 + 34690686.

It is an arithmetic number, because the mean of its divisors is an integer number (34690686).

Almost surely, 2^69381371 is an apocalyptic number.

69381371 is a deficient number, since it is larger than the sum of its proper divisors (1).

69381371 is an equidigital number, since it uses as much as digits as its factorization.

69381371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 69381371 is about 8329.5480669722. The cubic root of 69381371 is about 410.9108660354.

The spelling of 69381371 in words is "sixty-nine million, three hundred eighty-one thousand, three hundred seventy-one".