499773871937 has 2 divisors, whose sum is σ = 499773871938. Its totient is φ = 499773871936.

The previous prime is 499773871847. The next prime is 499773871991. The reversal of 499773871937 is 739178377994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463530850561 + 36243021376 = 680831^2 + 190376^2 .

It is a cyclic number.

It is not a de Polignac number, because 499773871937 - 2¹² = 499773867841 is a prime.

It is a super-2 number, since 2×499773871937² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499773876937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249886935968 + 249886935969.

It is an arithmetic number, because the mean of its divisors is an integer number (249886935969).

Almost surely, 2^499773871937 is an apocalyptic number.

It is an amenable number.

499773871937 is a deficient number, since it is larger than the sum of its proper divisors (1).

499773871937 is an equidigital number, since it uses as much as digits as its factorization.

499773871937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504094752, while the sum is 74.

The spelling of 499773871937 in words is "four hundred ninety-nine billion, seven hundred seventy-three million, eight hundred seventy-one thousand, nine hundred thirty-seven".