5470206821 has 2 divisors, whose sum is σ = 5470206822. Its totient is φ = 5470206820.

The previous prime is 5470206811. The next prime is 5470206869. The reversal of 5470206821 is 1286020745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5436112900 + 34093921 = 73730^2 + 5839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5470206821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5470206811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2735103410 + 2735103411.

It is an arithmetic number, because the mean of its divisors is an integer number (2735103411).

Almost surely, 2^5470206821 is an apocalyptic number.

It is an amenable number.

5470206821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5470206821 is an equidigital number, since it uses as much as digits as its factorization.

5470206821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 5470206821 is about 73960.8465405852. The cubic root of 5470206821 is about 1761.9811133595.

The spelling of 5470206821 in words is "five billion, four hundred seventy million, two hundred six thousand, eight hundred twenty-one".