499698634 has 4 divisors (see below), whose sum is σ = 749547954. Its totient is φ = 249849316.

The previous prime is 499698631. The next prime is 499698637. The reversal of 499698634 is 436896994.

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

It is an interprime number because it is at equal distance from previous prime (499698631) and next prime (499698637).

It can be written as a sum of positive squares in only one way, i.e., 499656609 + 42025 = 22353^2 + 205^2 .

It is not an unprimeable number, because it can be changed into a prime (499698631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124924657 + ... + 124924660.

Almost surely, 2^499698634 is an apocalyptic number.

499698634 is a deficient number, since it is larger than the sum of its proper divisors (249849320).

499698634 is a wasteful number, since it uses less digits than its factorization.

499698634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249849319.

The product of its digits is 10077696, while the sum is 58.

The square root of 499698634 is about 22353.9400106558. The cubic root of 499698634 is about 793.5410310338.

The spelling of 499698634 in words is "four hundred ninety-nine million, six hundred ninety-eight thousand, six hundred thirty-four".