4201806864533 has 2 divisors, whose sum is σ = 4201806864534. Its totient is φ = 4201806864532.

The previous prime is 4201806864473. The next prime is 4201806864539. The reversal of 4201806864533 is 3354686081024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4166260664164 + 35546200369 = 2041142^2 + 188537^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201806864533 - 2⁶ = 4201806864469 is a prime.

It is a super-2 number, since 2×4201806864533² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4201806864539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100903432266 + 2100903432267.

It is an arithmetic number, because the mean of its divisors is an integer number (2100903432267).

Almost surely, 2^{4201806864533} is an apocalyptic number.

It is an amenable number.

4201806864533 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201806864533 is an equidigital number, since it uses as much as digits as its factorization.

4201806864533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 4201806864533 in words is "four trillion, two hundred one billion, eight hundred six million, eight hundred sixty-four thousand, five hundred thirty-three".