490700838871 has 2 divisors, whose sum is σ = 490700838872. Its totient is φ = 490700838870.

The previous prime is 490700838853. The next prime is 490700838899. The reversal of 490700838871 is 178838007094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490700838871 - 2¹⁵ = 490700806103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490700833871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245350419435 + 245350419436.

It is an arithmetic number, because the mean of its divisors is an integer number (245350419436).

Almost surely, 2^490700838871 is an apocalyptic number.

490700838871 is a deficient number, since it is larger than the sum of its proper divisors (1).

490700838871 is an equidigital number, since it uses as much as digits as its factorization.

490700838871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 490700838871 in words is "four hundred ninety billion, seven hundred million, eight hundred thirty-eight thousand, eight hundred seventy-one".