4218479957 has 2 divisors, whose sum is σ = 4218479958. Its totient is φ = 4218479956.

The previous prime is 4218479911. The next prime is 4218479963. The reversal of 4218479957 is 7599748124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4205003716 + 13476241 = 64846^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218479957 - 2²⁶ = 4151371093 is a prime.

It is a super-2 number, since 2×4218479957² = 35591146295221443698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218479257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109239978 + 2109239979.

It is an arithmetic number, because the mean of its divisors is an integer number (2109239979).

Almost surely, 2^4218479957 is an apocalyptic number.

It is an amenable number.

4218479957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218479957 is an equidigital number, since it uses as much as digits as its factorization.

4218479957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 56.

The square root of 4218479957 is about 64949.8264585826. The cubic root of 4218479957 is about 1615.7915403434.

The spelling of 4218479957 in words is "four billion, two hundred eighteen million, four hundred seventy-nine thousand, nine hundred fifty-seven".