3460356220021 has 2 divisors, whose sum is σ = 3460356220022. Its totient is φ = 3460356220020.

The previous prime is 3460356220007. The next prime is 3460356220037. The reversal of 3460356220021 is 1200226530643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3304142352900 + 156213867121 = 1817730^2 + 395239^2 .

It is a cyclic number.

It is not a de Polignac number, because 3460356220021 - 2²⁵ = 3460322665589 is a prime.

It is a super-3 number, since 3×3460356220021³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3460356220421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730178110010 + 1730178110011.

It is an arithmetic number, because the mean of its divisors is an integer number (1730178110011).

Almost surely, 2^{3460356220021} is an apocalyptic number.

It is an amenable number.

3460356220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3460356220021 is an equidigital number, since it uses as much as digits as its factorization.

3460356220021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 3460356220021 in words is "three trillion, four hundred sixty billion, three hundred fifty-six million, two hundred twenty thousand, twenty-one".