971454669377 has 2 divisors, whose sum is σ = 971454669378. Its totient is φ = 971454669376.

The previous prime is 971454669373. The next prime is 971454669461. The reversal of 971454669377 is 773966454179.

It is a Cunningham number, because it is equal to 985624²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971454669376 + 1 = 985624^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 971454669377 - 2² = 971454669373 is a prime.

It is not a weakly prime, because it can be changed into another prime (971454669373) 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, 485727334688 + 485727334689.

It is an arithmetic number, because the mean of its divisors is an integer number (485727334689).

Almost surely, 2^971454669377 is an apocalyptic number.

It is an amenable number.

971454669377 is a deficient number, since it is larger than the sum of its proper divisors (1).

971454669377 is an equidigital number, since it uses as much as digits as its factorization.

971454669377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240045120, while the sum is 68.

The spelling of 971454669377 in words is "nine hundred seventy-one billion, four hundred fifty-four million, six hundred sixty-nine thousand, three hundred seventy-seven".