486697639 has 2 divisors, whose sum is σ = 486697640. Its totient is φ = 486697638.

The previous prime is 486697609. The next prime is 486697649. The reversal of 486697639 is 936796684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 486697639 - 2¹¹ = 486695591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486697609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243348819 + 243348820.

It is an arithmetic number, because the mean of its divisors is an integer number (243348820).

Almost surely, 2^486697639 is an apocalyptic number.

486697639 is a deficient number, since it is larger than the sum of its proper divisors (1).

486697639 is an equidigital number, since it uses as much as digits as its factorization.

486697639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 58.

The square root of 486697639 is about 22061.2247846759. The cubic root of 486697639 is about 786.5984382757.

The spelling of 486697639 in words is "four hundred eighty-six million, six hundred ninety-seven thousand, six hundred thirty-nine".