5320249809 has 16 divisors (see below), whose sum is σ = 8108764032. Its totient is φ = 3039499008.

The previous prime is 5320249799. The next prime is 5320249813. The reversal of 5320249809 is 9089420235.

It is not a de Polignac number, because 5320249809 - 2¹³ = 5320241617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5320249819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85687 + ... + 134099.

It is an arithmetic number, because the mean of its divisors is an integer number (506797752).

Almost surely, 2^5320249809 is an apocalyptic number.

It is an amenable number.

5320249809 is a deficient number, since it is larger than the sum of its proper divisors (2788514223).

5320249809 is a wasteful number, since it uses less digits than its factorization.

5320249809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53656.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 5320249809 is about 72940.0425623676. The cubic root of 5320249809 is about 1745.7310707015.

The spelling of 5320249809 in words is "five billion, three hundred twenty million, two hundred forty-nine thousand, eight hundred nine".