5270218729 has 2 divisors, whose sum is σ = 5270218730. Its totient is φ = 5270218728.

The previous prime is 5270218699. The next prime is 5270218757. The reversal of 5270218729 is 9278120725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4589791504 + 680427225 = 67748^2 + 26085^2 .

It is a cyclic number.

It is not a de Polignac number, because 5270218729 - 2¹³ = 5270210537 is a prime.

It is not a weakly prime, because it can be changed into another prime (5270218799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635109364 + 2635109365.

It is an arithmetic number, because the mean of its divisors is an integer number (2635109365).

Almost surely, 2^5270218729 is an apocalyptic number.

It is an amenable number.

5270218729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5270218729 is an equidigital number, since it uses as much as digits as its factorization.

5270218729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 5270218729 is about 72596.2721425832. The cubic root of 5270218729 is about 1740.2416021806.

The spelling of 5270218729 in words is "five billion, two hundred seventy million, two hundred eighteen thousand, seven hundred twenty-nine".