490043461601 has 2 divisors, whose sum is σ = 490043461602. Its totient is φ = 490043461600.

The previous prime is 490043461577. The next prime is 490043461613. The reversal of 490043461601 is 106164340094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277039059025 + 213004402576 = 526345^2 + 461524^2 .

It is a cyclic number.

It is not a de Polignac number, because 490043461601 - 2¹⁴ = 490043445217 is a prime.

It is a super-2 number, since 2×490043461601² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (490043461651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245021730800 + 245021730801.

It is an arithmetic number, because the mean of its divisors is an integer number (245021730801).

Almost surely, 2^490043461601 is an apocalyptic number.

It is an amenable number.

490043461601 is a deficient number, since it is larger than the sum of its proper divisors (1).

490043461601 is an equidigital number, since it uses as much as digits as its factorization.

490043461601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 490043461601 in words is "four hundred ninety billion, forty-three million, four hundred sixty-one thousand, six hundred one".