4068619801 has 4 divisors (see below), whose sum is σ = 4068750004. Its totient is φ = 4068489600.

The previous prime is 4068619759. The next prime is 4068619811. The reversal of 4068619801 is 1089168604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1191906576 + 2876713225 = 34524^2 + 53635^2 .

It is a 3-Lehmer number, since φ(4068619801) divides (4068619801-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4068619801 is a prime.

It is a deceptive number, since it divides R_4068619800.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4068619811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13021 + ... + 91141.

It is an arithmetic number, because the mean of its divisors is an integer number (1017187501).

Almost surely, 2^4068619801 is an apocalyptic number.

4068619801 is the 52081-st pentagonal number.

It is an amenable number.

4068619801 is a deficient number, since it is larger than the sum of its proper divisors (130203).

4068619801 is an equidigital number, since it uses as much as digits as its factorization.

4068619801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130202.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 4068619801 is about 63785.7335224735. The cubic root of 4068619801 is about 1596.4268964436.

The spelling of 4068619801 in words is "four billion, sixty-eight million, six hundred nineteen thousand, eight hundred one".