2051623711 has 2 divisors, whose sum is σ = 2051623712. Its totient is φ = 2051623710.

The previous prime is 2051623709. The next prime is 2051623747. The reversal of 2051623711 is 1173261502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051623711 - 2¹ = 2051623709 is a prime.

Together with 2051623709, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2051623711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091623711) 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 as a sum of consecutive naturals, namely, 1025811855 + 1025811856.

It is an arithmetic number, because the mean of its divisors is an integer number (1025811856).

Almost surely, 2^2051623711 is an apocalyptic number.

2051623711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051623711 is an equidigital number, since it uses as much as digits as its factorization.

2051623711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2051623711 is about 45294.8530298973. The cubic root of 2051623711 is about 1270.6693953906.

The spelling of 2051623711 in words is "two billion, fifty-one million, six hundred twenty-three thousand, seven hundred eleven".