8470613909 has 2 divisors, whose sum is σ = 8470613910. Its totient is φ = 8470613908.

The previous prime is 8470613897. The next prime is 8470613927. The reversal of 8470613909 is 9093160748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7482769009 + 987844900 = 86503^2 + 31430^2 .

It is a cyclic number.

It is not a de Polignac number, because 8470613909 - 2¹² = 8470609813 is a prime.

It is a super-3 number, since 3×8470613909³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8470613939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235306954 + 4235306955.

It is an arithmetic number, because the mean of its divisors is an integer number (4235306955).

Almost surely, 2^8470613909 is an apocalyptic number.

It is an amenable number.

8470613909 is a deficient number, since it is larger than the sum of its proper divisors (1).

8470613909 is an equidigital number, since it uses as much as digits as its factorization.

8470613909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 8470613909 is about 92035.9381383164. The cubic root of 8470613909 is about 2038.4729945435.

The spelling of 8470613909 in words is "eight billion, four hundred seventy million, six hundred thirteen thousand, nine hundred nine".