499937378906 has 16 divisors (see below), whose sum is σ = 857046415680. Its totient is φ = 214256149440.

The previous prime is 499937378873. The next prime is 499937378999. The reversal of 499937378906 is 609873739994.

It is a happy number.

It is a Curzon number.

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, 1237361 + ... + 1590891.

It is an arithmetic number, because the mean of its divisors is an integer number (53565400980).

Almost surely, 2^499937378906 is an apocalyptic number.

It is a pronic number, being equal to 707062×707063.

499937378906 is a deficient number, since it is larger than the sum of its proper divisors (357109036774).

499937378906 is a wasteful number, since it uses less digits than its factorization.

499937378906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454549.

The product of its (nonzero) digits is 555532992, while the sum is 74.

The spelling of 499937378906 in words is "four hundred ninety-nine billion, nine hundred thirty-seven million, three hundred seventy-eight thousand, nine hundred six".