2485639433 has 2 divisors, whose sum is σ = 2485639434. Its totient is φ = 2485639432.

The previous prime is 2485639399. The next prime is 2485639439. The reversal of 2485639433 is 3349365842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1883820409 + 601819024 = 43403^2 + 24532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2485639433 - 2²⁴ = 2468862217 is a prime.

It is a super-2 number, since 2×2485639433² = 12356806781769122978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2485639439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242819716 + 1242819717.

It is an arithmetic number, because the mean of its divisors is an integer number (1242819717).

Almost surely, 2^2485639433 is an apocalyptic number.

It is an amenable number.

2485639433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485639433 is an equidigital number, since it uses as much as digits as its factorization.

2485639433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 47.

The square root of 2485639433 is about 49856.1875096763. The cubic root of 2485639433 is about 1354.6051114369.

The spelling of 2485639433 in words is "two billion, four hundred eighty-five million, six hundred thirty-nine thousand, four hundred thirty-three".