4148440279 has 2 divisors, whose sum is σ = 4148440280. Its totient is φ = 4148440278.

The previous prime is 4148440271. The next prime is 4148440291. The reversal of 4148440279 is 9720448414.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4148440279 - 2³ = 4148440271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4148440271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074220139 + 2074220140.

It is an arithmetic number, because the mean of its divisors is an integer number (2074220140).

Almost surely, 2^4148440279 is an apocalyptic number.

4148440279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4148440279 is an equidigital number, since it uses as much as digits as its factorization.

4148440279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 4148440279 is about 64408.3867132224. The cubic root of 4148440279 is about 1606.7992269708.

The spelling of 4148440279 in words is "four billion, one hundred forty-eight million, four hundred forty thousand, two hundred seventy-nine".