501649283625 has 128 divisors (see below), whose sum is σ = 1005888000000. Its totient is φ = 216891302400.

The previous prime is 501649283623. The next prime is 501649283651. The reversal of 501649283625 is 526382946105.

It is a happy number.

It is not a de Polignac number, because 501649283625 - 2¹ = 501649283623 is a prime.

It is a super-2 number, since 2×501649283625² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501649283623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30864501 + ... + 30880749.

It is an arithmetic number, because the mean of its divisors is an integer number (7858500000).

Almost surely, 2^501649283625 is an apocalyptic number.

It is an amenable number.

501649283625 is an abundant number, since it is smaller than the sum of its proper divisors (504238716375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501649283625 is a wasteful number, since it uses less digits than its factorization.

501649283625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16912 (or 16902 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 501649283625 in words is "five hundred one billion, six hundred forty-nine million, two hundred eighty-three thousand, six hundred twenty-five".