2506446321 has 16 divisors (see below), whose sum is σ = 3490058880. Its totient is φ = 1597016960.

The previous prime is 2506446301. The next prime is 2506446329. The reversal of 2506446321 is 1236446052.

It is not a de Polignac number, because 2506446321 - 2²³ = 2498057713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506446329) 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 15 ways as a sum of consecutive naturals, for example, 74851 + ... + 103031.

It is an arithmetic number, because the mean of its divisors is an integer number (218128680).

Almost surely, 2^2506446321 is an apocalyptic number.

It is an amenable number.

2506446321 is a deficient number, since it is larger than the sum of its proper divisors (983612559).

2506446321 is a wasteful number, since it uses less digits than its factorization.

2506446321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29496.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2506446321 is about 50064.4217084348. The cubic root of 2506446321 is about 1358.3743409034.

The spelling of 2506446321 in words is "two billion, five hundred six million, four hundred forty-six thousand, three hundred twenty-one".