47020846009 has 2 divisors, whose sum is σ = 47020846010. Its totient is φ = 47020846008.

The previous prime is 47020845997. The next prime is 47020846069. The reversal of 47020846009 is 90064802074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45488358400 + 1532487609 = 213280^2 + 39147^2 .

It is a cyclic number.

It is not a de Polignac number, because 47020846009 - 2¹⁵ = 47020813241 is a prime.

It is not a weakly prime, because it can be changed into another prime (47020846069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23510423004 + 23510423005.

It is an arithmetic number, because the mean of its divisors is an integer number (23510423005).

Almost surely, 2^47020846009 is an apocalyptic number.

It is an amenable number.

47020846009 is a deficient number, since it is larger than the sum of its proper divisors (1).

47020846009 is an equidigital number, since it uses as much as digits as its factorization.

47020846009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 47020846009 in words is "forty-seven billion, twenty million, eight hundred forty-six thousand, nine".