3403452551221 has 2 divisors, whose sum is σ = 3403452551222. Its totient is φ = 3403452551220.

The previous prime is 3403452551209. The next prime is 3403452551249. The reversal of 3403452551221 is 1221552543043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3402899643025 + 552908196 = 1844695^2 + 23514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403452551221 - 2⁹ = 3403452550709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403452551321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701726275610 + 1701726275611.

It is an arithmetic number, because the mean of its divisors is an integer number (1701726275611).

Almost surely, 2^{3403452551221} is an apocalyptic number.

It is an amenable number.

3403452551221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403452551221 is an equidigital number, since it uses as much as digits as its factorization.

3403452551221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 3403452551221 in words is "three trillion, four hundred three billion, four hundred fifty-two million, five hundred fifty-one thousand, two hundred twenty-one".