2050679881 has 2 divisors, whose sum is σ = 2050679882. Its totient is φ = 2050679880.

The previous prime is 2050679879. The next prime is 2050679887. The reversal of 2050679881 is 1889760502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369000000 + 681679881 = 37000^2 + 26109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050679881 - 2¹ = 2050679879 is a prime.

It is a super-2 number, since 2×2050679881² = 8410575948676348322, which contains 22 as substring.

Together with 2050679879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2050679887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025339940 + 1025339941.

It is an arithmetic number, because the mean of its divisors is an integer number (1025339941).

Almost surely, 2^2050679881 is an apocalyptic number.

It is an amenable number.

2050679881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050679881 is an equidigital number, since it uses as much as digits as its factorization.

2050679881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 2050679881 is about 45284.4330979201. The cubic root of 2050679881 is about 1270.4745123744.

The spelling of 2050679881 in words is "two billion, fifty million, six hundred seventy-nine thousand, eight hundred eighty-one".