1684260845351 has 8 divisors (see below), whose sum is σ = 1957494445440. Its totient is φ = 1419183472248.

The previous prime is 1684260845347. The next prime is 1684260845353. The reversal of 1684260845351 is 1535480624861.

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

It is a cyclic number.

It is not a de Polignac number, because 1684260845351 - 2² = 1684260845347 is a prime.

It is a super-3 number, since 3×1684260845351³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1684260845293 and 1684260845302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684260845353) 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, 2039056301 + ... + 2039057126.

It is an arithmetic number, because the mean of its divisors is an integer number (244686805680).

Almost surely, 2^{1684260845351} is an apocalyptic number.

1684260845351 is a deficient number, since it is larger than the sum of its proper divisors (273233600089).

1684260845351 is an equidigital number, since it uses as much as digits as its factorization.

1684260845351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078113493.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 1684260845351 in words is "one trillion, six hundred eighty-four billion, two hundred sixty million, eight hundred forty-five thousand, three hundred fifty-one".