2139168051 has 12 divisors (see below), whose sum is σ = 3189584320. Its totient is φ = 1380108240.

The previous prime is 2139168049. The next prime is 2139168091. The reversal of 2139168051 is 1508619312.

It is not a de Polignac number, because 2139168051 - 2¹ = 2139168049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2139167997 and 2139168015.

It is not an unprimeable number, because it can be changed into a prime (2139168001) 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 11 ways as a sum of consecutive naturals, for example, 3833356 + ... + 3833913.

Almost surely, 2^2139168051 is an apocalyptic number.

2139168051 is a deficient number, since it is larger than the sum of its proper divisors (1050416269).

2139168051 is a wasteful number, since it uses less digits than its factorization.

2139168051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667306 (or 7667303 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2139168051 is about 46251.1410778156. The cubic root of 2139168051 is about 1288.4917273844.

The spelling of 2139168051 in words is "two billion, one hundred thirty-nine million, one hundred sixty-eight thousand, fifty-one".