7741023378409 has 4 divisors (see below), whose sum is σ = 8196377694804. Its totient is φ = 7285669062016.

The previous prime is 7741023378397. The next prime is 7741023378427. The reversal of 7741023378409 is 9048733201477.

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 5147780152384 + 2593243226025 = 2268872^2 + 1610355^2 .

It is a cyclic number.

It is not a de Polignac number, because 7741023378409 - 2¹⁵ = 7741023345641 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 7741023378409.

It is not an unprimeable number, because it can be changed into a prime (7741023378709) 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, 227677158172 + ... + 227677158205.

It is an arithmetic number, because the mean of its divisors is an integer number (2049094423701).

Almost surely, 2^{7741023378409} is an apocalyptic number.

It is an amenable number.

7741023378409 is a deficient number, since it is larger than the sum of its proper divisors (455354316395).

7741023378409 is a wasteful number, since it uses less digits than its factorization.

7741023378409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455354316394.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 7741023378409 in words is "seven trillion, seven hundred forty-one billion, twenty-three million, three hundred seventy-eight thousand, four hundred nine".