2029907971 has 16 divisors (see below), whose sum is σ = 2499953344. Its totient is φ = 1605049344.

The previous prime is 2029907969. The next prime is 2029908017. The reversal of 2029907971 is 1797099202.

It is a cyclic number.

It is not a de Polignac number, because 2029907971 - 2¹ = 2029907969 is a prime.

It is the 45055-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (2029907951) by changing a digit.

It is a nontrivial repunit in base 45054.

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 15 ways as a sum of consecutive naturals, for example, 155431 + ... + 167983.

It is an arithmetic number, because the mean of its divisors is an integer number (156247084).

Almost surely, 2^2029907971 is an apocalyptic number.

2029907971 is a deficient number, since it is larger than the sum of its proper divisors (470045373).

2029907971 is a wasteful number, since it uses less digits than its factorization.

2029907971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 2029907971 is about 45054.5000083233. The cubic root of 2029907971 is about 1266.1702827021.

The spelling of 2029907971 in words is "two billion, twenty-nine million, nine hundred seven thousand, nine hundred seventy-one".