484939639 has 2 divisors, whose sum is σ = 484939640. Its totient is φ = 484939638.

The previous prime is 484939627. The next prime is 484939643. The reversal of 484939639 is 936939484.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 484939639 - 2⁵ = 484939607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 484939639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (484939619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242469819 + 242469820.

It is an arithmetic number, because the mean of its divisors is an integer number (242469820).

Almost surely, 2^484939639 is an apocalyptic number.

484939639 is a deficient number, since it is larger than the sum of its proper divisors (1).

484939639 is an equidigital number, since it uses as much as digits as its factorization.

484939639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 55.

The square root of 484939639 is about 22021.3450769929. The cubic root of 484939639 is about 785.6502052060.

The spelling of 484939639 in words is "four hundred eighty-four million, nine hundred thirty-nine thousand, six hundred thirty-nine".