4020276646601 has 2 divisors, whose sum is σ = 4020276646602. Its totient is φ = 4020276646600.

The previous prime is 4020276646543. The next prime is 4020276646613. The reversal of 4020276646601 is 1066466720204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2748794886601 + 1271481760000 = 1657949^2 + 1127600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020276646601 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4020276643601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010138323300 + 2010138323301.

It is an arithmetic number, because the mean of its divisors is an integer number (2010138323301).

Almost surely, 2^{4020276646601} is an apocalyptic number.

It is an amenable number.

4020276646601 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020276646601 is an equidigital number, since it uses as much as digits as its factorization.

4020276646601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 4020276646601 in words is "four trillion, twenty billion, two hundred seventy-six million, six hundred forty-six thousand, six hundred one".