69779448941 has 2 divisors, whose sum is σ = 69779448942. Its totient is φ = 69779448940.

The previous prime is 69779448931. The next prime is 69779448983. The reversal of 69779448941 is 14984497796.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69614711716 + 164737225 = 263846^2 + 12835^2 .

It is a cyclic number.

It is not a de Polignac number, because 69779448941 - 2¹⁰ = 69779447917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69779448931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34889724470 + 34889724471.

It is an arithmetic number, because the mean of its divisors is an integer number (34889724471).

Almost surely, 2^69779448941 is an apocalyptic number.

It is an amenable number.

69779448941 is a deficient number, since it is larger than the sum of its proper divisors (1).

69779448941 is an equidigital number, since it uses as much as digits as its factorization.

69779448941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 68.

The spelling of 69779448941 in words is "sixty-nine billion, seven hundred seventy-nine million, four hundred forty-eight thousand, nine hundred forty-one".