69427814447 has 2 divisors, whose sum is σ = 69427814448. Its totient is φ = 69427814446.

The previous prime is 69427814383. The next prime is 69427814459. The reversal of 69427814447 is 74441872496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69427814447 - 2⁶ = 69427814383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69427814392 and 69427814401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69427813447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34713907223 + 34713907224.

It is an arithmetic number, because the mean of its divisors is an integer number (34713907224).

Almost surely, 2^69427814447 is an apocalyptic number.

69427814447 is a deficient number, since it is larger than the sum of its proper divisors (1).

69427814447 is an equidigital number, since it uses as much as digits as its factorization.

69427814447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 56.

The spelling of 69427814447 in words is "sixty-nine billion, four hundred twenty-seven million, eight hundred fourteen thousand, four hundred forty-seven".