2620450051 has 4 divisors (see below), whose sum is σ = 2649893400. Its totient is φ = 2591006704.

The previous prime is 2620450043. The next prime is 2620450061. The reversal of 2620450051 is 1500540262.

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

It is a cyclic number.

It is not a de Polignac number, because 2620450051 - 2³ = 2620450043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2620449998 and 2620450025.

It is not an unprimeable number, because it can be changed into a prime (2620450061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14721541 + ... + 14721718.

It is an arithmetic number, because the mean of its divisors is an integer number (662473350).

Almost surely, 2^2620450051 is an apocalyptic number.

2620450051 is a deficient number, since it is larger than the sum of its proper divisors (29443349).

2620450051 is an equidigital number, since it uses as much as digits as its factorization.

2620450051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29443348.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2620450051 is about 51190.3316164293. The cubic root of 2620450051 is about 1378.6646136488.

The spelling of 2620450051 in words is "two billion, six hundred twenty million, four hundred fifty thousand, fifty-one".