6478913141 has 2 divisors, whose sum is σ = 6478913142. Its totient is φ = 6478913140.

The previous prime is 6478913117. The next prime is 6478913149. The reversal of 6478913141 is 1413198746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5291835025 + 1187078116 = 72745^2 + 34454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6478913141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6478913092 and 6478913101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478913149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239456570 + 3239456571.

It is an arithmetic number, because the mean of its divisors is an integer number (3239456571).

Almost surely, 2^6478913141 is an apocalyptic number.

It is an amenable number.

6478913141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478913141 is an equidigital number, since it uses as much as digits as its factorization.

6478913141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 6478913141 is about 80491.6960996599. The cubic root of 6478913141 is about 1864.2352655340.

The spelling of 6478913141 in words is "six billion, four hundred seventy-eight million, nine hundred thirteen thousand, one hundred forty-one".