4148279657 has 2 divisors, whose sum is σ = 4148279658. Its totient is φ = 4148279656.

The previous prime is 4148279627. The next prime is 4148279669. The reversal of 4148279657 is 7569728414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3597720361 + 550559296 = 59981^2 + 23464^2 .

It is a cyclic number.

It is not a de Polignac number, because 4148279657 - 2²² = 4144085353 is a prime.

It is a super-2 number, since 2×4148279657² = 34416448225360075298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4148279599 and 4148279608.

It is not a weakly prime, because it can be changed into another prime (4148279627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074139828 + 2074139829.

It is an arithmetic number, because the mean of its divisors is an integer number (2074139829).

Almost surely, 2^4148279657 is an apocalyptic number.

It is an amenable number.

4148279657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4148279657 is an equidigital number, since it uses as much as digits as its factorization.

4148279657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 4148279657 is about 64407.1397983174. The cubic root of 4148279657 is about 1606.7784890051.

The spelling of 4148279657 in words is "four billion, one hundred forty-eight million, two hundred seventy-nine thousand, six hundred fifty-seven".