2047240427 has 4 divisors (see below), whose sum is σ = 2047346640. Its totient is φ = 2047134216.

The previous prime is 2047240423. The next prime is 2047240439. The reversal of 2047240427 is 7240427402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2047240427 - 2² = 2047240423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2047240393 and 2047240402.

It is not an unprimeable number, because it can be changed into a prime (2047240421) 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, 15152 + ... + 65757.

It is an arithmetic number, because the mean of its divisors is an integer number (511836660).

Almost surely, 2^2047240427 is an apocalyptic number.

2047240427 is a deficient number, since it is larger than the sum of its proper divisors (106213).

2047240427 is an equidigital number, since it uses as much as digits as its factorization.

2047240427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106212.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 2047240427 is about 45246.4410423627. The cubic root of 2047240427 is about 1269.7638238565.

Adding to 2047240427 its reverse (7240427402), we get a palindrome (9287667829).

The spelling of 2047240427 in words is "two billion, forty-seven million, two hundred forty thousand, four hundred twenty-seven".