2051450641 has 4 divisors (see below), whose sum is σ = 2080344384. Its totient is φ = 2022556900.

The previous prime is 2051450629. The next prime is 2051450647. The reversal of 2051450641 is 1460541502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2051450641 - 2¹⁵ = 2051417873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051450647) 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, 14446765 + ... + 14446906.

It is an arithmetic number, because the mean of its divisors is an integer number (520086096).

Almost surely, 2^2051450641 is an apocalyptic number.

It is an amenable number.

2051450641 is a deficient number, since it is larger than the sum of its proper divisors (28893743).

2051450641 is an equidigital number, since it uses as much as digits as its factorization.

2051450641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28893742.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2051450641 is about 45292.9425076358. The cubic root of 2051450641 is about 1270.6336641898.

The spelling of 2051450641 in words is "two billion, fifty-one million, four hundred fifty thousand, six hundred forty-one".