969378481 has 2 divisors, whose sum is σ = 969378482. Its totient is φ = 969378480.

The previous prime is 969378479. The next prime is 969378517. The reversal of 969378481 is 184873969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856147600 + 113230881 = 29260^2 + 10641^2 .

It is a cyclic number.

It is not a de Polignac number, because 969378481 - 2¹ = 969378479 is a prime.

It is a super-2 number, since 2×969378481² = 1879389278851734722, which contains 22 as substring.

Together with 969378479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (969378451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484689240 + 484689241.

It is an arithmetic number, because the mean of its divisors is an integer number (484689241).

Almost surely, 2^969378481 is an apocalyptic number.

It is an amenable number.

969378481 is a deficient number, since it is larger than the sum of its proper divisors (1).

969378481 is an equidigital number, since it uses as much as digits as its factorization.

969378481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 969378481 is about 31134.8435197609. The cubic root of 969378481 is about 989.6868311903.

The spelling of 969378481 in words is "nine hundred sixty-nine million, three hundred seventy-eight thousand, four hundred eighty-one".