4021241003977 has 2 divisors, whose sum is σ = 4021241003978. Its totient is φ = 4021241003976.

The previous prime is 4021241003963. The next prime is 4021241004023. The reversal of 4021241003977 is 7793001421204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3665095829136 + 356145174841 = 1914444^2 + 596779^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021241003977 - 2⁷ = 4021241003849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021244003977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010620501988 + 2010620501989.

It is an arithmetic number, because the mean of its divisors is an integer number (2010620501989).

Almost surely, 2^{4021241003977} is an apocalyptic number.

It is an amenable number.

4021241003977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021241003977 is an equidigital number, since it uses as much as digits as its factorization.

4021241003977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 4021241003977 in words is "four trillion, twenty-one billion, two hundred forty-one million, three thousand, nine hundred seventy-seven".