1401704607321 has 12 divisors (see below), whose sum is σ = 2052419836948. Its totient is φ = 921668782464.

The previous prime is 1401704607293. The next prime is 1401704607343. The reversal of 1401704607321 is 1237064071041.

1401704607321 is a `hidden beast` number, since 1 + 4 + 0 + 17 + 0 + 4 + 607 + 32 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 377690139225 + 1024014468096 = 614565^2 + 1011936^2 .

It is not a de Polignac number, because 1401704607321 - 2¹⁰ = 1401704606297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401704607361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066745620 + ... + 1066746933.

Almost surely, 2^{1401704607321} is an apocalyptic number.

It is an amenable number.

1401704607321 is a deficient number, since it is larger than the sum of its proper divisors (650715229627).

1401704607321 is a wasteful number, since it uses less digits than its factorization.

1401704607321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133492632 (or 2133492629 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 1401704607321 its reverse (1237064071041), we get a palindrome (2638768678362).

The spelling of 1401704607321 in words is "one trillion, four hundred one billion, seven hundred four million, six hundred seven thousand, three hundred twenty-one".