3403617778417 has 2 divisors, whose sum is σ = 3403617778418. Its totient is φ = 3403617778416.

The previous prime is 3403617778411. The next prime is 3403617778441. The reversal of 3403617778417 is 7148777163043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274076064016 + 1129541714401 = 1508004^2 + 1062799^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403617778417 - 2²³ = 3403609389809 is a prime.

It is a super-2 number, since 2×3403617778417² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3403617778411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701808889208 + 1701808889209.

It is an arithmetic number, because the mean of its divisors is an integer number (1701808889209).

Almost surely, 2^{3403617778417} is an apocalyptic number.

It is an amenable number.

3403617778417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403617778417 is an equidigital number, since it uses as much as digits as its factorization.

3403617778417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 3403617778417 in words is "three trillion, four hundred three billion, six hundred seventeen million, seven hundred seventy-eight thousand, four hundred seventeen".