499158854 has 4 divisors (see below), whose sum is σ = 748738284. Its totient is φ = 249579426.

The previous prime is 499158853. The next prime is 499158859. The reversal of 499158854 is 458851994.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 499158796 and 499158805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499158853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124789712 + ... + 124789715.

It is an arithmetic number, because the mean of its divisors is an integer number (187184571).

Almost surely, 2^499158854 is an apocalyptic number.

499158854 is a deficient number, since it is larger than the sum of its proper divisors (249579430).

499158854 is a wasteful number, since it uses less digits than its factorization.

499158854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249579429.

The product of its digits is 2073600, while the sum is 53.

The square root of 499158854 is about 22341.8632615993. The cubic root of 499158854 is about 793.2551974847.

The spelling of 499158854 in words is "four hundred ninety-nine million, one hundred fifty-eight thousand, eight hundred fifty-four".