5249397919 has 8 divisors (see below), whose sum is σ = 5527326080. Its totient is φ = 4971634200.

The previous prime is 5249397913. The next prime is 5249397949. The reversal of 5249397919 is 9197939425.

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

It is a cyclic number.

It is not a de Polignac number, because 5249397919 - 2⁹ = 5249397407 is a prime.

It is a super-2 number, since 2×5249397919² = 55112357024003061122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249397913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27364 + ... + 106054.

It is an arithmetic number, because the mean of its divisors is an integer number (690915760).

Almost surely, 2^5249397919 is an apocalyptic number.

5249397919 is a deficient number, since it is larger than the sum of its proper divisors (277928161).

5249397919 is a wasteful number, since it uses less digits than its factorization.

5249397919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82221.

The product of its digits is 5511240, while the sum is 58.

The square root of 5249397919 is about 72452.7288582011. The cubic root of 5249397919 is about 1737.9468802335.

The spelling of 5249397919 in words is "five billion, two hundred forty-nine million, three hundred ninety-seven thousand, nine hundred nineteen".