3456556417 has 2 divisors, whose sum is σ = 3456556418. Its totient is φ = 3456556416.

The previous prime is 3456556379. The next prime is 3456556423. The reversal of 3456556417 is 7146556543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3146761216 + 309795201 = 56096^2 + 17601^2 .

It is a cyclic number.

It is not a de Polignac number, because 3456556417 - 2⁷ = 3456556289 is a prime.

It is not a weakly prime, because it can be changed into another prime (3456556427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728278208 + 1728278209.

It is an arithmetic number, because the mean of its divisors is an integer number (1728278209).

Almost surely, 2^3456556417 is an apocalyptic number.

It is an amenable number.

3456556417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3456556417 is an equidigital number, since it uses as much as digits as its factorization.

3456556417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 46.

The square root of 3456556417 is about 58792.4860590195. The cubic root of 3456556417 is about 1511.9863945812.

The spelling of 3456556417 in words is "three billion, four hundred fifty-six million, five hundred fifty-six thousand, four hundred seventeen".