3540708909473 has 2 divisors, whose sum is σ = 3540708909474. Its totient is φ = 3540708909472.

The previous prime is 3540708909469. The next prime is 3540708909589. The reversal of 3540708909473 is 3749098070453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2316337890304 + 1224371019169 = 1521952^2 + 1106513^2 .

It is an emirp because it is prime and its reverse (3749098070453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3540708909473 - 2² = 3540708909469 is a prime.

It is not a weakly prime, because it can be changed into another prime (3540708909403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770354454736 + 1770354454737.

It is an arithmetic number, because the mean of its divisors is an integer number (1770354454737).

Almost surely, 2^{3540708909473} is an apocalyptic number.

It is an amenable number.

3540708909473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540708909473 is an equidigital number, since it uses as much as digits as its factorization.

3540708909473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 3540708909473 in words is "three trillion, five hundred forty billion, seven hundred eight million, nine hundred nine thousand, four hundred seventy-three".