2385278473 has 2 divisors, whose sum is σ = 2385278474. Its totient is φ = 2385278472.

The previous prime is 2385278453. The next prime is 2385278513. The reversal of 2385278473 is 3748725832.

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., 2062249744 + 323028729 = 45412^2 + 17973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385278473 - 2²¹ = 2383181321 is a prime.

It is a super-3 number, since 3×2385278473³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2385278453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192639236 + 1192639237.

It is an arithmetic number, because the mean of its divisors is an integer number (1192639237).

Almost surely, 2^2385278473 is an apocalyptic number.

It is an amenable number.

2385278473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385278473 is an equidigital number, since it uses as much as digits as its factorization.

2385278473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 49.

The square root of 2385278473 is about 48839.3127818154. The cubic root of 2385278473 is about 1336.1227628192.

The spelling of 2385278473 in words is "two billion, three hundred eighty-five million, two hundred seventy-eight thousand, four hundred seventy-three".