2150123636 has 6 divisors (see below), whose sum is σ = 3762716370. Its totient is φ = 1075061816.

The previous prime is 2150123629. The next prime is 2150123639. The reversal of 2150123636 is 6363210512.

It can be written as a sum of positive squares in only one way, i.e., 2083374736 + 66748900 = 45644^2 + 8170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2150123599 and 2150123608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150123639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268765451 + ... + 268765458.

It is an arithmetic number, because the mean of its divisors is an integer number (627119395).

Almost surely, 2^2150123636 is an apocalyptic number.

It is an amenable number.

2150123636 is a deficient number, since it is larger than the sum of its proper divisors (1612592734).

2150123636 is a wasteful number, since it uses less digits than its factorization.

2150123636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537530913 (or 537530911 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2150123636 is about 46369.4256595874. The cubic root of 2150123636 is about 1290.6876201062.

The spelling of 2150123636 in words is "two billion, one hundred fifty million, one hundred twenty-three thousand, six hundred thirty-six".