2067897939 has 16 divisors (see below), whose sum is σ = 2796310272. Its totient is φ = 1359112608.

The previous prime is 2067897929. The next prime is 2067897971. The reversal of 2067897939 is 9397987602.

It is not a de Polignac number, because 2067897939 - 2²⁹ = 1531027027 is a prime.

It is a super-2 number, since 2×2067897939² = 8552403772240895442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067897919) by changing a digit.

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, 112737 + ... + 129789.

It is an arithmetic number, because the mean of its divisors is an integer number (174769392).

Almost surely, 2^2067897939 is an apocalyptic number.

2067897939 is a deficient number, since it is larger than the sum of its proper divisors (728412333).

2067897939 is a wasteful number, since it uses less digits than its factorization.

2067897939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The square root of 2067897939 is about 45474.1458303507. The cubic root of 2067897939 is about 1274.0203550576.

The spelling of 2067897939 in words is "two billion, sixty-seven million, eight hundred ninety-seven thousand, nine hundred thirty-nine".