499890713870 has 32 divisors (see below), whose sum is σ = 952963315200. Its totient is φ = 188148635136.

The previous prime is 499890713863. The next prime is 499890713891. The reversal of 499890713870 is 78317098994.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499890713797 and 499890713806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353516 + ... + 1060544.

It is an arithmetic number, because the mean of its divisors is an integer number (29780103600).

Almost surely, 2^499890713870 is an apocalyptic number.

It is a pronic number, being equal to 707029×707030.

499890713870 is a deficient number, since it is larger than the sum of its proper divisors (453072601330).

499890713870 is a wasteful number, since it uses less digits than its factorization.

499890713870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711212.

The product of its (nonzero) digits is 27433728, while the sum is 65.

The spelling of 499890713870 in words is "four hundred ninety-nine billion, eight hundred ninety million, seven hundred thirteen thousand, eight hundred seventy".