5209205672 has 32 divisors (see below), whose sum is σ = 10678093920. Its totient is φ = 2362731840.

The previous prime is 5209205657. The next prime is 5209205681. The reversal of 5209205672 is 2765029025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22283 + ... + 104474.

It is an arithmetic number, because the mean of its divisors is an integer number (333690435).

Almost surely, 2^5209205672 is an apocalyptic number.

It is an amenable number.

5209205672 is an abundant number, since it is smaller than the sum of its proper divisors (5468888248).

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

5209205672 is a wasteful number, since it uses less digits than its factorization.

5209205672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127241 (or 127237 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 5209205672 is about 72174.8271352277. The cubic root of 5209205672 is about 1733.4999558101.

The spelling of 5209205672 in words is "five billion, two hundred nine million, two hundred five thousand, six hundred seventy-two".