3454319712421 has 2 divisors, whose sum is σ = 3454319712422. Its totient is φ = 3454319712420.

The previous prime is 3454319712413. The next prime is 3454319712439. The reversal of 3454319712421 is 1242179134543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2479094336196 + 975225376225 = 1574514^2 + 987535^2 .

It is a cyclic number.

It is not a de Polignac number, because 3454319712421 - 2³ = 3454319712413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3454319712401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727159856210 + 1727159856211.

It is an arithmetic number, because the mean of its divisors is an integer number (1727159856211).

Almost surely, 2^{3454319712421} is an apocalyptic number.

It is an amenable number.

3454319712421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3454319712421 is an equidigital number, since it uses as much as digits as its factorization.

3454319712421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 3454319712421 in words is "three trillion, four hundred fifty-four billion, three hundred nineteen million, seven hundred twelve thousand, four hundred twenty-one".