4078608619901 has 2 divisors, whose sum is σ = 4078608619902. Its totient is φ = 4078608619900.

The previous prime is 4078608619873. The next prime is 4078608619909. The reversal of 4078608619901 is 1099168068704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3745575751801 + 333032868100 = 1935349^2 + 577090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078608619901 - 2¹⁸ = 4078608357757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078608619909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039304309950 + 2039304309951.

It is an arithmetic number, because the mean of its divisors is an integer number (2039304309951).

Almost surely, 2^{4078608619901} is an apocalyptic number.

It is an amenable number.

4078608619901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078608619901 is an equidigital number, since it uses as much as digits as its factorization.

4078608619901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 4078608619901 in words is "four trillion, seventy-eight billion, six hundred eight million, six hundred nineteen thousand, nine hundred one".