499938085970 has 16 divisors (see below), whose sum is σ = 899898248088. Its totient is φ = 199973080320.

The previous prime is 499938085967. The next prime is 499938085981. The reversal of 499938085970 is 79580839994.

It is a Cunningham number, because it is equal to 707063²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 295743455329 + 204194630641 = 543823^2 + 451879^2 .

It is a super-2 number, since 2×499938085970² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499938085894 and 499938085903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982730 + ... + 1402010.

Almost surely, 2^499938085970 is an apocalyptic number.

499938085970 is a deficient number, since it is larger than the sum of its proper divisors (399960162118).

499938085970 is a wasteful number, since it uses less digits than its factorization.

499938085970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538525.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 499938085970 in words is "four hundred ninety-nine billion, nine hundred thirty-eight million, eighty-five thousand, nine hundred seventy".