2135943051 has 16 divisors (see below), whose sum is σ = 3137591808. Its totient is φ = 1281692000.

The previous prime is 2135943031. The next prime is 2135943071. The reversal of 2135943051 is 1503495312.

It is an interprime number because it is at equal distance from previous prime (2135943031) and next prime (2135943071).

It is a cyclic number.

It is not a de Polignac number, because 2135943051 - 2⁷ = 2135942923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2135943031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317091 + ... + 323756.

It is an arithmetic number, because the mean of its divisors is an integer number (196099488).

Almost surely, 2^2135943051 is an apocalyptic number.

2135943051 is a deficient number, since it is larger than the sum of its proper divisors (1001648757).

2135943051 is a wasteful number, since it uses less digits than its factorization.

2135943051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640962.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 2135943051 is about 46216.2639229958. The cubic root of 2135943051 is about 1287.8438936338.

The spelling of 2135943051 in words is "two billion, one hundred thirty-five million, nine hundred forty-three thousand, fifty-one".