3642868241 has 2 divisors, whose sum is σ = 3642868242. Its totient is φ = 3642868240.

The previous prime is 3642868199. The next prime is 3642868261. The reversal of 3642868241 is 1428682463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3196771600 + 446096641 = 56540^2 + 21121^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642868241 - 2¹⁴ = 3642851857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3642868192 and 3642868201.

It is not a weakly prime, because it can be changed into another prime (3642868261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821434120 + 1821434121.

It is an arithmetic number, because the mean of its divisors is an integer number (1821434121).

Almost surely, 2^3642868241 is an apocalyptic number.

It is an amenable number.

3642868241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642868241 is an equidigital number, since it uses as much as digits as its factorization.

3642868241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 44.

The square root of 3642868241 is about 60356.1781510394. The cubic root of 3642868241 is about 1538.6782723809.

The spelling of 3642868241 in words is "three billion, six hundred forty-two million, eight hundred sixty-eight thousand, two hundred forty-one".