3520070066477 has 2 divisors, whose sum is σ = 3520070066478. Its totient is φ = 3520070066476.

The previous prime is 3520070066453. The next prime is 3520070066519. The reversal of 3520070066477 is 7746600700253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1783950237316 + 1736119829161 = 1335646^2 + 1317619^2 .

It is an emirp because it is prime and its reverse (7746600700253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3520070066477 - 2⁶ = 3520070066413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520070066417) 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 as a sum of consecutive naturals, namely, 1760035033238 + 1760035033239.

It is an arithmetic number, because the mean of its divisors is an integer number (1760035033239).

Almost surely, 2^{3520070066477} is an apocalyptic number.

It is an amenable number.

3520070066477 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520070066477 is an equidigital number, since it uses as much as digits as its factorization.

3520070066477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 3520070066477 in words is "three trillion, five hundred twenty billion, seventy million, sixty-six thousand, four hundred seventy-seven".