2029701989 has 16 divisors (see below), whose sum is σ = 2341785600. Its totient is φ = 1723217280.

The previous prime is 2029701979. The next prime is 2029701997. The reversal of 2029701989 is 9891079202.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2029701989 is a prime.

It is a super-2 number, since 2×2029701989² = 8239380328301112242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029701929) 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, 396929 + ... + 402009.

It is an arithmetic number, because the mean of its divisors is an integer number (146361600).

Almost surely, 2^2029701989 is an apocalyptic number.

It is an amenable number.

2029701989 is a deficient number, since it is larger than the sum of its proper divisors (312083611).

2029701989 is a wasteful number, since it uses less digits than its factorization.

2029701989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 2029701989 is about 45052.2140299453. The cubic root of 2029701989 is about 1266.1274536489.

The spelling of 2029701989 in words is "two billion, twenty-nine million, seven hundred one thousand, nine hundred eighty-nine".