497787142841 has 2 divisors, whose sum is σ = 497787142842. Its totient is φ = 497787142840.

The previous prime is 497787142813. The next prime is 497787142903. The reversal of 497787142841 is 148241787794.

It is an a-pointer prime, because the next prime (497787142903) can be obtained adding 497787142841 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427670221225 + 70116921616 = 653965^2 + 264796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497787142841 is a prime.

It is a super-2 number, since 2×497787142841² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497787742841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248893571420 + 248893571421.

It is an arithmetic number, because the mean of its divisors is an integer number (248893571421).

Almost surely, 2^497787142841 is an apocalyptic number.

It is an amenable number.

497787142841 is a deficient number, since it is larger than the sum of its proper divisors (1).

497787142841 is an equidigital number, since it uses as much as digits as its factorization.

497787142841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 62.

The spelling of 497787142841 in words is "four hundred ninety-seven billion, seven hundred eighty-seven million, one hundred forty-two thousand, eight hundred forty-one".