4395140473 has 2 divisors, whose sum is σ = 4395140474. Its totient is φ = 4395140472.

The previous prime is 4395140471. The next prime is 4395140527. The reversal of 4395140473 is 3740415934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3732232464 + 662908009 = 61092^2 + 25747^2 .

It is a cyclic number.

It is not a de Polignac number, because 4395140473 - 2¹ = 4395140471 is a prime.

Together with 4395140471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4395140471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197570236 + 2197570237.

It is an arithmetic number, because the mean of its divisors is an integer number (2197570237).

Almost surely, 2^4395140473 is an apocalyptic number.

It is an amenable number.

4395140473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4395140473 is an equidigital number, since it uses as much as digits as its factorization.

4395140473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 4395140473 is about 66295.8556246165. The cubic root of 4395140473 is about 1638.0390593052.

It can be divided in two parts, 43 and 95140473, that added together give a square (95140516 = 9754²).

The spelling of 4395140473 in words is "four billion, three hundred ninety-five million, one hundred forty thousand, four hundred seventy-three".