7477421332793 has 2 divisors, whose sum is σ = 7477421332794. Its totient is φ = 7477421332792.

The previous prime is 7477421332789. The next prime is 7477421332831. The reversal of 7477421332793 is 3972331247747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5209587132304 + 2267834200489 = 2282452^2 + 1505933^2 .

It is an emirp because it is prime and its reverse (3972331247747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7477421332793 - 2² = 7477421332789 is a prime.

It is not a weakly prime, because it can be changed into another prime (7477421332763) 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 as a sum of consecutive naturals, namely, 3738710666396 + 3738710666397.

It is an arithmetic number, because the mean of its divisors is an integer number (3738710666397).

Almost surely, 2^{7477421332793} is an apocalyptic number.

It is an amenable number.

7477421332793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7477421332793 is an equidigital number, since it uses as much as digits as its factorization.

7477421332793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37340352, while the sum is 59.

The spelling of 7477421332793 in words is "seven trillion, four hundred seventy-seven billion, four hundred twenty-one million, three hundred thirty-two thousand, seven hundred ninety-three".