2331421727 has 2 divisors, whose sum is σ = 2331421728. Its totient is φ = 2331421726.

The previous prime is 2331421721. The next prime is 2331421747. The reversal of 2331421727 is 7271241332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331421727 - 2⁴ = 2331421711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331421693 and 2331421702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331421721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165710863 + 1165710864.

It is an arithmetic number, because the mean of its divisors is an integer number (1165710864).

Almost surely, 2^2331421727 is an apocalyptic number.

2331421727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331421727 is an equidigital number, since it uses as much as digits as its factorization.

2331421727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 2331421727 is about 48284.7980942242. The cubic root of 2331421727 is about 1325.9900945793.

The spelling of 2331421727 in words is "two billion, three hundred thirty-one million, four hundred twenty-one thousand, seven hundred twenty-seven".