5209209039744 has 96 divisors (see below), whose sum is σ = 15235780230840. Its totient is φ = 1707937367040.

The previous prime is 5209209039743. The next prime is 5209209039781. The reversal of 5209209039744 is 4479309029025.

5209209039744 is a `hidden beast` number, since 5 + 2 + 0 + 9 + 209 + 0 + 397 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209209039743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36994342 + ... + 37134885.

Almost surely, 2^{5209209039744} is an apocalyptic number.

It is an amenable number.

5209209039744 is an abundant number, since it is smaller than the sum of its proper divisors (10026571191096).

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

5209209039744 is a wasteful number, since it uses less digits than its factorization.

5209209039744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74129308 (or 74129293 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 5209209039744 in words is "five trillion, two hundred nine billion, two hundred nine million, thirty-nine thousand, seven hundred forty-four".