5209981708 has 6 divisors (see below), whose sum is σ = 9117467996. Its totient is φ = 2604990852.

The previous prime is 5209981703. The next prime is 5209981723. The reversal of 5209981708 is 8071899025.

It is not an unprimeable number, because it can be changed into a prime (5209981703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651247710 + ... + 651247717.

Almost surely, 2^5209981708 is an apocalyptic number.

It is an amenable number.

5209981708 is a deficient number, since it is larger than the sum of its proper divisors (3907486288).

5209981708 is a wasteful number, since it uses less digits than its factorization.

5209981708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302495431 (or 1302495429 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 5209981708 is about 72180.2030199417. The cubic root of 5209981708 is about 1733.5860336538.

The spelling of 5209981708 in words is "five billion, two hundred nine million, nine hundred eighty-one thousand, seven hundred eight".