2135791671 has 16 divisors (see below), whose sum is σ = 3094919520. Its totient is φ = 1302272640.

The previous prime is 2135791601. The next prime is 2135791699. The reversal of 2135791671 is 1761975312.

It is not a de Polignac number, because 2135791671 - 2¹⁰ = 2135790647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135791601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246960 + ... + 255461.

It is an arithmetic number, because the mean of its divisors is an integer number (193432470).

Almost surely, 2^2135791671 is an apocalyptic number.

2135791671 is a deficient number, since it is larger than the sum of its proper divisors (959127849).

2135791671 is a wasteful number, since it uses less digits than its factorization.

2135791671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502546.

The product of its digits is 79380, while the sum is 42.

The square root of 2135791671 is about 46214.6261588255. The cubic root of 2135791671 is about 1287.8134686006.

The spelling of 2135791671 in words is "two billion, one hundred thirty-five million, seven hundred ninety-one thousand, six hundred seventy-one".