485939256479 has 4 divisors (see below), whose sum is σ = 511515006840. Its totient is φ = 460363506120.

The previous prime is 485939256379. The next prime is 485939256511. The reversal of 485939256479 is 974652939584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485939256479 is a prime.

It is a super-2 number, since 2×485939256479² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485939256079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12787875152 + ... + 12787875189.

It is an arithmetic number, because the mean of its divisors is an integer number (127878751710).

Almost surely, 2^485939256479 is an apocalyptic number.

485939256479 is a deficient number, since it is larger than the sum of its proper divisors (25575750361).

485939256479 is a wasteful number, since it uses less digits than its factorization.

485939256479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25575750360.

The product of its digits is 587865600, while the sum is 71.

The spelling of 485939256479 in words is "four hundred eighty-five billion, nine hundred thirty-nine million, two hundred fifty-six thousand, four hundred seventy-nine".