69412223977 has 2 divisors, whose sum is σ = 69412223978. Its totient is φ = 69412223976.

The previous prime is 69412223957. The next prime is 69412224001. The reversal of 69412223977 is 77932221496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53426161881 + 15986062096 = 231141^2 + 126436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69412223977 is a prime.

It is not a weakly prime, because it can be changed into another prime (69412223957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34706111988 + 34706111989.

It is an arithmetic number, because the mean of its divisors is an integer number (34706111989).

Almost surely, 2^69412223977 is an apocalyptic number.

It is an amenable number.

69412223977 is a deficient number, since it is larger than the sum of its proper divisors (1).

69412223977 is an equidigital number, since it uses as much as digits as its factorization.

69412223977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The spelling of 69412223977 in words is "sixty-nine billion, four hundred twelve million, two hundred twenty-three thousand, nine hundred seventy-seven".