2029702191 has 32 divisors (see below), whose sum is σ = 3021124608. Its totient is φ = 1201549440.

The previous prime is 2029702187. The next prime is 2029702217. The reversal of 2029702191 is 1912079202.

It is not a de Polignac number, because 2029702191 - 2² = 2029702187 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029702111) 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 31 ways as a sum of consecutive naturals, for example, 1049061 + ... + 1050993.

It is an arithmetic number, because the mean of its divisors is an integer number (94410144).

Almost surely, 2^2029702191 is an apocalyptic number.

2029702191 is a deficient number, since it is larger than the sum of its proper divisors (991422417).

2029702191 is a wasteful number, since it uses less digits than its factorization.

2029702191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 2029702191 is about 45052.2162717885. The cubic root of 2029702191 is about 1266.1274956514.

The spelling of 2029702191 in words is "two billion, twenty-nine million, seven hundred two thousand, one hundred ninety-one".