5721203409 has 16 divisors (see below), whose sum is σ = 8112280320. Its totient is φ = 3574091520.

The previous prime is 5721203387. The next prime is 5721203429. The reversal of 5721203409 is 9043021275.

It is not a de Polignac number, because 5721203409 - 2⁷ = 5721203281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5721203409.

It is not an unprimeable number, because it can be changed into a prime (5721203429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233257 + ... + 256614.

It is an arithmetic number, because the mean of its divisors is an integer number (507017520).

Almost surely, 2^5721203409 is an apocalyptic number.

It is an amenable number.

5721203409 is a deficient number, since it is larger than the sum of its proper divisors (2391076911).

5721203409 is a wasteful number, since it uses less digits than its factorization.

5721203409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490120.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 5721203409 is about 75638.6370117812. The cubic root of 5721203409 is about 1788.5282169707.

The spelling of 5721203409 in words is "five billion, seven hundred twenty-one million, two hundred three thousand, four hundred nine".