490253622893 has 2 divisors, whose sum is σ = 490253622894. Its totient is φ = 490253622892.

The previous prime is 490253622877. The next prime is 490253622899. The reversal of 490253622893 is 398226352094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475606088164 + 14647534729 = 689642^2 + 121027^2 .

It is a cyclic number.

It is not a de Polignac number, because 490253622893 - 2⁴ = 490253622877 is a prime.

It is a super-2 number, since 2×490253622893² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490253622899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245126811446 + 245126811447.

It is an arithmetic number, because the mean of its divisors is an integer number (245126811447).

Almost surely, 2^490253622893 is an apocalyptic number.

It is an amenable number.

490253622893 is a deficient number, since it is larger than the sum of its proper divisors (1).

490253622893 is an equidigital number, since it uses as much as digits as its factorization.

490253622893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 490253622893 in words is "four hundred ninety billion, two hundred fifty-three million, six hundred twenty-two thousand, eight hundred ninety-three".