3485444681 has 2 divisors, whose sum is σ = 3485444682. Its totient is φ = 3485444680.

The previous prime is 3485444617. The next prime is 3485444827. The reversal of 3485444681 is 1864445843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3433374025 + 52070656 = 58595^2 + 7216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3485444681 - 2⁶ = 3485444617 is a prime.

It is a super-2 number, since 2×3485444681² = 24296649248622383522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3485444981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742722340 + 1742722341.

It is an arithmetic number, because the mean of its divisors is an integer number (1742722341).

Almost surely, 2^3485444681 is an apocalyptic number.

It is an amenable number.

3485444681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3485444681 is an equidigital number, since it uses as much as digits as its factorization.

3485444681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1474560, while the sum is 47.

The square root of 3485444681 is about 59037.6547721876. The cubic root of 3485444681 is about 1516.1868701275.

The spelling of 3485444681 in words is "three billion, four hundred eighty-five million, four hundred forty-four thousand, six hundred eighty-one".