8470939801 has 2 divisors, whose sum is σ = 8470939802. Its totient is φ = 8470939800.

The previous prime is 8470939793. The next prime is 8470939819. The reversal of 8470939801 is 1089390748.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6332339776 + 2138600025 = 79576^2 + 46245^2 .

It is a cyclic number.

It is not a de Polignac number, because 8470939801 - 2³ = 8470939793 is a prime.

It is a super-2 number, since 2×8470939801² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8470939871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235469900 + 4235469901.

It is an arithmetic number, because the mean of its divisors is an integer number (4235469901).

Almost surely, 2^8470939801 is an apocalyptic number.

It is an amenable number.

8470939801 is a deficient number, since it is larger than the sum of its proper divisors (1).

8470939801 is an equidigital number, since it uses as much as digits as its factorization.

8470939801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 8470939801 is about 92037.7085818633. The cubic root of 8470939801 is about 2038.4991364316.

The spelling of 8470939801 in words is "eight billion, four hundred seventy million, nine hundred thirty-nine thousand, eight hundred one".