2140347347 has 2 divisors, whose sum is σ = 2140347348. Its totient is φ = 2140347346.

The previous prime is 2140347343. The next prime is 2140347367. The reversal of 2140347347 is 7437430412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140347347 - 2² = 2140347343 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140347343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070173673 + 1070173674.

It is an arithmetic number, because the mean of its divisors is an integer number (1070173674).

Almost surely, 2^2140347347 is an apocalyptic number.

2140347347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140347347 is an equidigital number, since it uses as much as digits as its factorization.

2140347347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 2140347347 is about 46263.8881526402. Note that the first 3 decimals coincide. The cubic root of 2140347347 is about 1288.7284602263.

Adding to 2140347347 its reverse (7437430412), we get a palindrome (9577777759).

The spelling of 2140347347 in words is "two billion, one hundred forty million, three hundred forty-seven thousand, three hundred forty-seven".