4148279642 has 16 divisors (see below), whose sum is σ = 6882178632. Its totient is φ = 1862844480.

The previous prime is 4148279627. The next prime is 4148279657. The reversal of 4148279642 is 2469728414.

It is an interprime number because it is at equal distance from previous prime (4148279627) and next prime (4148279657).

It can be written as a sum of positive squares in 4 ways, for example, as 4068015961 + 80263681 = 63781^2 + 8959^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155109 + ... + 2157032.

Almost surely, 2^4148279642 is an apocalyptic number.

4148279642 is a deficient number, since it is larger than the sum of its proper divisors (2733898990).

4148279642 is a wasteful number, since it uses less digits than its factorization.

4148279642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312193.

The product of its digits is 774144, while the sum is 47.

The square root of 4148279642 is about 64407.1396818707. The cubic root of 4148279642 is about 1606.7784870684.

The spelling of 4148279642 in words is "four billion, one hundred forty-eight million, two hundred seventy-nine thousand, six hundred forty-two".