69960972449 has 2 divisors, whose sum is σ = 69960972450. Its totient is φ = 69960972448.

The previous prime is 69960972409. The next prime is 69960972461. The reversal of 69960972449 is 94427906996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69076980625 + 883991824 = 262825^2 + 29732^2 .

It is a cyclic number.

It is not a de Polignac number, because 69960972449 - 2¹⁶ = 69960906913 is a prime.

It is not a weakly prime, because it can be changed into another prime (69960972409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34980486224 + 34980486225.

It is an arithmetic number, because the mean of its divisors is an integer number (34980486225).

Almost surely, 2^69960972449 is an apocalyptic number.

It is an amenable number.

69960972449 is a deficient number, since it is larger than the sum of its proper divisors (1).

69960972449 is an equidigital number, since it uses as much as digits as its factorization.

69960972449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 69960972449 in words is "sixty-nine billion, nine hundred sixty million, nine hundred seventy-two thousand, four hundred forty-nine".