2029902971 has 4 divisors (see below), whose sum is σ = 2095383744. Its totient is φ = 1964422200.

The previous prime is 2029902947. The next prime is 2029902977. The reversal of 2029902971 is 1792099202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2029902971 - 2³⁰ = 956161147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2029902977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32740340 + ... + 32740401.

It is an arithmetic number, because the mean of its divisors is an integer number (523845936).

Almost surely, 2^2029902971 is an apocalyptic number.

2029902971 is a deficient number, since it is larger than the sum of its proper divisors (65480773).

2029902971 is an equidigital number, since it uses as much as digits as its factorization.

2029902971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65480772.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 2029902971 is about 45054.4445199361. Note that the first 3 decimals coincide. The cubic root of 2029902971 is about 1266.1692431055.

The spelling of 2029902971 in words is "two billion, twenty-nine million, nine hundred two thousand, nine hundred seventy-one".