2150944501 has 4 divisors (see below), whose sum is σ = 2203406604. Its totient is φ = 2098482400.

The previous prime is 2150944487. The next prime is 2150944507. The reversal of 2150944501 is 1054490512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1138050225 + 1012894276 = 33735^2 + 31826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150944501 - 2⁷ = 2150944373 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150944507) 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, 26230990 + ... + 26231071.

It is an arithmetic number, because the mean of its divisors is an integer number (550851651).

Almost surely, 2^2150944501 is an apocalyptic number.

It is an amenable number.

2150944501 is a deficient number, since it is larger than the sum of its proper divisors (52462103).

2150944501 is an equidigital number, since it uses as much as digits as its factorization.

2150944501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52462102.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2150944501 is about 46378.2761753819. The cubic root of 2150944501 is about 1290.8518502736.

The spelling of 2150944501 in words is "two billion, one hundred fifty million, nine hundred forty-four thousand, five hundred one".