2154006124650 has 36 divisors (see below), whose sum is σ = 5787096456102. Its totient is φ = 574401633120.

The previous prime is 2154006124643. The next prime is 2154006124661. The reversal of 2154006124650 is 564216004512.

2154006124650 is a `hidden beast` number, since 2 + 1 + 5 + 400 + 6 + 1 + 246 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2049916653009 + 104089471641 = 1431753^2 + 322629^2 .

It is a super-2 number, since 2×2154006124650² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2393339689 + ... + 2393340588.

Almost surely, 2^{2154006124650} is an apocalyptic number.

2154006124650 is an abundant number, since it is smaller than the sum of its proper divisors (3633090331452).

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

2154006124650 is a wasteful number, since it uses less digits than its factorization.

2154006124650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786680295 (or 4786680287 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2154006124650 in words is "two trillion, one hundred fifty-four billion, six million, one hundred twenty-four thousand, six hundred fifty".