69438812627 has 2 divisors, whose sum is σ = 69438812628. Its totient is φ = 69438812626.

The previous prime is 69438812623. The next prime is 69438812633. The reversal of 69438812627 is 72621883496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69438812627 - 2² = 69438812623 is a prime.

It is a super-2 number, since 2×69438812627² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69438812623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34719406313 + 34719406314.

It is an arithmetic number, because the mean of its divisors is an integer number (34719406314).

Almost surely, 2^69438812627 is an apocalyptic number.

69438812627 is a deficient number, since it is larger than the sum of its proper divisors (1).

69438812627 is an equidigital number, since it uses as much as digits as its factorization.

69438812627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The spelling of 69438812627 in words is "sixty-nine billion, four hundred thirty-eight million, eight hundred twelve thousand, six hundred twenty-seven".