485909157129 has 32 divisors (see below), whose sum is σ = 711724261248. Its totient is φ = 292435968000.

The previous prime is 485909157127. The next prime is 485909157143. The reversal of 485909157129 is 921751909584.

It is not a de Polignac number, because 485909157129 - 2¹ = 485909157127 is a prime.

It is a super-2 number, since 2×485909157129² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485909157127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2720869 + ... + 2893949.

It is an arithmetic number, because the mean of its divisors is an integer number (22241383164).

Almost surely, 2^485909157129 is an apocalyptic number.

It is an amenable number.

485909157129 is a deficient number, since it is larger than the sum of its proper divisors (225815104119).

485909157129 is a wasteful number, since it uses less digits than its factorization.

485909157129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173689.

The product of its (nonzero) digits is 8164800, while the sum is 60.

The spelling of 485909157129 in words is "four hundred eighty-five billion, nine hundred nine million, one hundred fifty-seven thousand, one hundred twenty-nine".