1330054681 has 2 divisors, whose sum is σ = 1330054682. Its totient is φ = 1330054680.

The previous prime is 1330054669. The next prime is 1330054699. The reversal of 1330054681 is 1864500331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828518656 + 501536025 = 28784^2 + 22395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330054681 - 2²¹ = 1327957529 is a prime.

It is a super-2 number, since 2×1330054681² = 3538090908900023522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1330054601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665027340 + 665027341.

It is an arithmetic number, because the mean of its divisors is an integer number (665027341).

Almost surely, 2^1330054681 is an apocalyptic number.

It is an amenable number.

1330054681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330054681 is an equidigital number, since it uses as much as digits as its factorization.

1330054681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1330054681 is about 36469.9147380413. The cubic root of 1330054681 is about 1099.7395198658.

The spelling of 1330054681 in words is "one billion, three hundred thirty million, fifty-four thousand, six hundred eighty-one".