3332780255617 has 2 divisors, whose sum is σ = 3332780255618. Its totient is φ = 3332780255616.

The previous prime is 3332780255551. The next prime is 3332780255627. The reversal of 3332780255617 is 7165520872333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2933354991616 + 399425264001 = 1712704^2 + 632001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3332780255617 is a prime.

It is a super-2 number, since 2×3332780255617² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3332780255627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666390127808 + 1666390127809.

It is an arithmetic number, because the mean of its divisors is an integer number (1666390127809).

Almost surely, 2^{3332780255617} is an apocalyptic number.

It is an amenable number.

3332780255617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3332780255617 is an equidigital number, since it uses as much as digits as its factorization.

3332780255617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 3332780255617 in words is "three trillion, three hundred thirty-two billion, seven hundred eighty million, two hundred fifty-five thousand, six hundred seventeen".