3560249681 has 2 divisors, whose sum is σ = 3560249682. Its totient is φ = 3560249680.

The previous prime is 3560249663. The next prime is 3560249717. The reversal of 3560249681 is 1869420653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1861491025 + 1698758656 = 43145^2 + 41216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3560249681 - 2¹⁸ = 3559987537 is a prime.

It is a super-2 number, since 2×3560249681² = 25350755582121203522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3560249611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780124840 + 1780124841.

It is an arithmetic number, because the mean of its divisors is an integer number (1780124841).

Almost surely, 2^3560249681 is an apocalyptic number.

It is an amenable number.

3560249681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3560249681 is an equidigital number, since it uses as much as digits as its factorization.

3560249681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 3560249681 is about 59667.8278555538. The cubic root of 3560249681 is about 1526.9570403973.

The spelling of 3560249681 in words is "three billion, five hundred sixty million, two hundred forty-nine thousand, six hundred eighty-one".