2009750231 has 2 divisors, whose sum is σ = 2009750232. Its totient is φ = 2009750230.

The previous prime is 2009750227. The next prime is 2009750269. The reversal of 2009750231 is 1320579002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009750231 - 2² = 2009750227 is a prime.

It is a super-2 number, since 2×2009750231² = 8078191982009106722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2009750194 and 2009750203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009753231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004875115 + 1004875116.

It is an arithmetic number, because the mean of its divisors is an integer number (1004875116).

Almost surely, 2^2009750231 is an apocalyptic number.

2009750231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009750231 is an equidigital number, since it uses as much as digits as its factorization.

2009750231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2009750231 is about 44830.2379092505. The cubic root of 2009750231 is about 1261.9651519533.

The spelling of 2009750231 in words is "two billion, nine million, seven hundred fifty thousand, two hundred thirty-one".