2027742309 has 8 divisors (see below), whose sum is σ = 3004062720. Its totient is φ = 1351828188.

The previous prime is 2027742293. The next prime is 2027742313. The reversal of 2027742309 is 9032477202.

It is not a de Polignac number, because 2027742309 - 2⁴ = 2027742293 is a prime.

It is a super-2 number, since 2×2027742309² = 8223477743417302962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027742329) 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 7 ways as a sum of consecutive naturals, for example, 37550757 + ... + 37550810.

It is an arithmetic number, because the mean of its divisors is an integer number (375507840).

Almost surely, 2^2027742309 is an apocalyptic number.

It is an amenable number.

2027742309 is a deficient number, since it is larger than the sum of its proper divisors (976320411).

2027742309 is an equidigital number, since it uses as much as digits as its factorization.

2027742309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75101576 (or 75101570 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2027742309 is about 45030.4597911236. The cubic root of 2027742309 is about 1265.7198398505.

The spelling of 2027742309 in words is "two billion, twenty-seven million, seven hundred forty-two thousand, three hundred nine".