3901779841 has 2 divisors, whose sum is σ = 3901779842. Its totient is φ = 3901779840.

The previous prime is 3901779829. The next prime is 3901779853. The reversal of 3901779841 is 1489771093.

It is a balanced prime because it is at equal distance from previous prime (3901779829) and next prime (3901779853).

It can be written as a sum of positive squares in only one way, i.e., 2125578816 + 1776201025 = 46104^2 + 42145^2 .

It is a cyclic number.

It is not a de Polignac number, because 3901779841 - 2⁵ = 3901779809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3901779821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950889920 + 1950889921.

It is an arithmetic number, because the mean of its divisors is an integer number (1950889921).

Almost surely, 2^3901779841 is an apocalyptic number.

It is an amenable number.

3901779841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901779841 is an equidigital number, since it uses as much as digits as its factorization.

3901779841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 3901779841 is about 62464.2284911933. The cubic root of 3901779841 is about 1574.3003313391.

The spelling of 3901779841 in words is "three billion, nine hundred one million, seven hundred seventy-nine thousand, eight hundred forty-one".