2073868831 has 4 divisors (see below), whose sum is σ = 2074519512. Its totient is φ = 2073218152.

The previous prime is 2073868787. The next prime is 2073868861. The reversal of 2073868831 is 1388683702.

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 2073868831 - 2⁹ = 2073868319 is a prime.

It is a super-2 number, since 2×2073868831² = 8601863856386613122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073868861) 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, 320536 + ... + 326941.

It is an arithmetic number, because the mean of its divisors is an integer number (518629878).

Almost surely, 2^2073868831 is an apocalyptic number.

2073868831 is a deficient number, since it is larger than the sum of its proper divisors (650681).

2073868831 is an equidigital number, since it uses as much as digits as its factorization.

2073868831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650680.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2073868831 is about 45539.7500102932. The cubic root of 2073868831 is about 1275.2453878072.

The spelling of 2073868831 in words is "two billion, seventy-three million, eight hundred sixty-eight thousand, eight hundred thirty-one".