7376648956561 has 4 divisors (see below), whose sum is σ = 7376752689124. Its totient is φ = 7376545224000.

The previous prime is 7376648956541. The next prime is 7376648956577. The reversal of 7376648956561 is 1656598466737.

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 5616516066561 + 1760132890000 = 2369919^2 + 1326700^2 .

It is a cyclic number.

It is not a de Polignac number, because 7376648956561 - 2¹⁹ = 7376648432273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7376648956531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51759540 + ... + 51901861.

It is an arithmetic number, because the mean of its divisors is an integer number (1844188172281).

Almost surely, 2^{7376648956561} is an apocalyptic number.

It is an amenable number.

7376648956561 is a deficient number, since it is larger than the sum of its proper divisors (103732563).

7376648956561 is a wasteful number, since it uses less digits than its factorization.

7376648956561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103732562.

The product of its digits is 1371686400, while the sum is 73.

The spelling of 7376648956561 in words is "seven trillion, three hundred seventy-six billion, six hundred forty-eight million, nine hundred fifty-six thousand, five hundred sixty-one".