928481969 has 2 divisors, whose sum is σ = 928481970. Its totient is φ = 928481968.

The previous prime is 928481923. The next prime is 928481977. The reversal of 928481969 is 969184829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531994225 + 396487744 = 23065^2 + 19912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-928481969 is a prime.

It is a super-2 number, since 2×928481969² = 1724157533516233922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (928481989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464240984 + 464240985.

It is an arithmetic number, because the mean of its divisors is an integer number (464240985).

Almost surely, 2^928481969 is an apocalyptic number.

It is an amenable number.

928481969 is a deficient number, since it is larger than the sum of its proper divisors (1).

928481969 is an equidigital number, since it uses as much as digits as its factorization.

928481969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 56.

The square root of 928481969 is about 30471.0021003576. The cubic root of 928481969 is about 975.5686252246.

The spelling of 928481969 in words is "nine hundred twenty-eight million, four hundred eighty-one thousand, nine hundred sixty-nine".