1356210465421 has 16 divisors (see below), whose sum is σ = 1622487932928. Its totient is φ = 1109122585200.

The previous prime is 1356210465413. The next prime is 1356210465457. The reversal of 1356210465421 is 1245640126531.

It is not a de Polignac number, because 1356210465421 - 2³ = 1356210465413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356210465121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43997395 + ... + 44028208.

It is an arithmetic number, because the mean of its divisors is an integer number (101405495808).

Almost surely, 2^{1356210465421} is an apocalyptic number.

It is an amenable number.

1356210465421 is a deficient number, since it is larger than the sum of its proper divisors (266277467507).

1356210465421 is an equidigital number, since it uses as much as digits as its factorization.

1356210465421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88025712.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1356210465421 in words is "one trillion, three hundred fifty-six billion, two hundred ten million, four hundred sixty-five thousand, four hundred twenty-one".