2061742407541 has 4 divisors (see below), whose sum is σ = 2071513698784. Its totient is φ = 2051971116300.

The previous prime is 2061742407511. The next prime is 2061742407563. The reversal of 2061742407541 is 1457042471602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2061742407541 - 2⁹ = 2061742407029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061742407511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4885645305 + ... + 4885645726.

It is an arithmetic number, because the mean of its divisors is an integer number (517878424696).

Almost surely, 2^{2061742407541} is an apocalyptic number.

It is an amenable number.

2061742407541 is a deficient number, since it is larger than the sum of its proper divisors (9771291243).

2061742407541 is an equidigital number, since it uses as much as digits as its factorization.

2061742407541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771291242.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 2061742407541 in words is "two trillion, sixty-one billion, seven hundred forty-two million, four hundred seven thousand, five hundred forty-one".