499671154 has 4 divisors (see below), whose sum is σ = 749506734. Its totient is φ = 249835576.

The previous prime is 499671127. The next prime is 499671169. The reversal of 499671154 is 451176994.

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

It can be written as a sum of positive squares in only one way, i.e., 480617929 + 19053225 = 21923^2 + 4365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124917787 + ... + 124917790.

Almost surely, 2^499671154 is an apocalyptic number.

499671154 is a deficient number, since it is larger than the sum of its proper divisors (249835580).

499671154 is a wasteful number, since it uses less digits than its factorization.

499671154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249835579.

The product of its digits is 272160, while the sum is 46.

The square root of 499671154 is about 22353.3253454603. The cubic root of 499671154 is about 793.5264843278.

The spelling of 499671154 in words is "four hundred ninety-nine million, six hundred seventy-one thousand, one hundred fifty-four".