5249493906 has 8 divisors (see below), whose sum is σ = 10498987824. Its totient is φ = 1749831300.

The previous prime is 5249493889. The next prime is 5249493923. The reversal of 5249493906 is 6093949425.

It is an interprime number because it is at equal distance from previous prime (5249493889) and next prime (5249493923).

It is a sphenic number, since it is the product of 3 distinct primes.

5249493906 is an admirable number.

It is a super-2 number, since 2×5249493906² = 55114372538262273672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437457820 + ... + 437457831.

It is an arithmetic number, because the mean of its divisors is an integer number (1312373478).

Almost surely, 2^5249493906 is an apocalyptic number.

5249493906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5249493906 is a wasteful number, since it uses less digits than its factorization.

5249493906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874915656.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 5249493906 is about 72453.3912663859. The cubic root of 5249493906 is about 1737.9574731493.

The spelling of 5249493906 in words is "five billion, two hundred forty-nine million, four hundred ninety-three thousand, nine hundred six".