321421101144399 has 6 divisors (see below), whose sum is σ = 464274923875256. Its totient is φ = 214280734096260.

The previous prime is 321421101144371. The next prime is 321421101144421. The reversal of 321421101144399 is 993441101124123.

321421101144399 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 2 + 110 + 1 + 1 + 443 + 99 = 666.

It is not a de Polignac number, because 321421101144399 - 2¹⁵ = 321421101111631 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 (321421101144349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17856727841347 + ... + 17856727841364.

Almost surely, 2^{321421101144399} is an apocalyptic number.

321421101144399 is a deficient number, since it is larger than the sum of its proper divisors (142853822730857).

321421101144399 is a wasteful number, since it uses less digits than its factorization.

321421101144399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35713455682717 (or 35713455682714 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 321421101144399 in words is "three hundred twenty-one trillion, four hundred twenty-one billion, one hundred one million, one hundred forty-four thousand, three hundred ninety-nine".