490913195401 has 2 divisors, whose sum is σ = 490913195402. Its totient is φ = 490913195400.

The previous prime is 490913195317. The next prime is 490913195407. The reversal of 490913195401 is 104591319094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403637855625 + 87275339776 = 635325^2 + 295424^2 .

It is a cyclic number.

It is not a de Polignac number, because 490913195401 - 2⁷ = 490913195273 is a prime.

It is not a weakly prime, because it can be changed into another prime (490913195407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245456597700 + 245456597701.

It is an arithmetic number, because the mean of its divisors is an integer number (245456597701).

Almost surely, 2^490913195401 is an apocalyptic number.

It is an amenable number.

490913195401 is a deficient number, since it is larger than the sum of its proper divisors (1).

490913195401 is an equidigital number, since it uses as much as digits as its factorization.

490913195401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 490913195401 in words is "four hundred ninety billion, nine hundred thirteen million, one hundred ninety-five thousand, four hundred one".