2401656042041 has 2 divisors, whose sum is σ = 2401656042042. Its totient is φ = 2401656042040.

The previous prime is 2401656042029. The next prime is 2401656042043. The reversal of 2401656042041 is 1402406561042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2383871152441 + 17784889600 = 1543979^2 + 133360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401656042041 - 2²² = 2401651847737 is a prime.

It is a Sophie Germain prime.

Together with 2401656042043, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2401656041992 and 2401656042010.

It is not a weakly prime, because it can be changed into another prime (2401656042043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200828021020 + 1200828021021.

It is an arithmetic number, because the mean of its divisors is an integer number (1200828021021).

Almost surely, 2^{2401656042041} is an apocalyptic number.

It is an amenable number.

2401656042041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401656042041 is an equidigital number, since it uses as much as digits as its factorization.

2401656042041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 2401656042041 in words is "two trillion, four hundred one billion, six hundred fifty-six million, forty-two thousand, forty-one".