2051422344541 has 4 divisors (see below), whose sum is σ = 2051886366684. Its totient is φ = 2050958322400.

The previous prime is 2051422344497. The next prime is 2051422344553. The reversal of 2051422344541 is 1454432241502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1859377688100 + 192044656441 = 1363590^2 + 438229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051422344541 - 2¹¹ = 2051422342493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051422344541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051422344241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232004440 + ... + 232013281.

It is an arithmetic number, because the mean of its divisors is an integer number (512971591671).

Almost surely, 2^{2051422344541} is an apocalyptic number.

It is an amenable number.

2051422344541 is a deficient number, since it is larger than the sum of its proper divisors (464022143).

2051422344541 is an equidigital number, since it uses as much as digits as its factorization.

2051422344541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464022142.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 2051422344541 in words is "two trillion, fifty-one billion, four hundred twenty-two million, three hundred forty-four thousand, five hundred forty-one".