5072870009 has 2 divisors, whose sum is σ = 5072870010. Its totient is φ = 5072870008.

The previous prime is 5072869999. The next prime is 5072870029. The reversal of 5072870009 is 9000782705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3498367609 + 1574502400 = 59147^2 + 39680^2 .

It is a cyclic number.

It is not a de Polignac number, because 5072870009 - 2¹² = 5072865913 is a prime.

It is not a weakly prime, because it can be changed into another prime (5072870029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536435004 + 2536435005.

It is an arithmetic number, because the mean of its divisors is an integer number (2536435005).

Almost surely, 2^5072870009 is an apocalyptic number.

It is an amenable number.

5072870009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5072870009 is an equidigital number, since it uses as much as digits as its factorization.

5072870009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5072870009 is about 71224.0830688609. The cubic root of 5072870009 is about 1718.2429787346.

The spelling of 5072870009 in words is "five billion, seventy-two million, eight hundred seventy thousand, nine".