2040012641 has 2 divisors, whose sum is σ = 2040012642. Its totient is φ = 2040012640.

The previous prime is 2040012589. The next prime is 2040012659. The reversal of 2040012641 is 1462100402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1521312016 + 518700625 = 39004^2 + 22775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040012641 - 2³⁰ = 966270817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040012661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020006320 + 1020006321.

It is an arithmetic number, because the mean of its divisors is an integer number (1020006321).

Almost surely, 2^2040012641 is an apocalyptic number.

It is an amenable number.

2040012641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040012641 is an equidigital number, since it uses as much as digits as its factorization.

2040012641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2040012641 is about 45166.4991005502. The cubic root of 2040012641 is about 1268.2677607023.

The spelling of 2040012641 in words is "two billion, forty million, twelve thousand, six hundred forty-one".