427704351321 has 8 divisors (see below), whose sum is σ = 614139581440. Its totient is φ = 263202677712.

The previous prime is 427704351301. The next prime is 427704351337. The reversal of 427704351321 is 123153407724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427704351321 - 2²⁹ = 427167480409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10966778239 = 427704351321 / (4 + 2 + 7 + 7 + 0 + 4 + 3 + 5 + 1 + 3 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427704351321.

It is not an unprimeable number, because it can be changed into a prime (427704351301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5483389081 + ... + 5483389158.

It is an arithmetic number, because the mean of its divisors is an integer number (76767447680).

Almost surely, 2^427704351321 is an apocalyptic number.

It is an amenable number.

427704351321 is a deficient number, since it is larger than the sum of its proper divisors (186435230119).

427704351321 is a wasteful number, since it uses less digits than its factorization.

427704351321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966778255.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 427704351321 in words is "four hundred twenty-seven billion, seven hundred four million, three hundred fifty-one thousand, three hundred twenty-one".