1351705453646 has 8 divisors (see below), whose sum is σ = 2040985718544. Its totient is φ = 671376880800.

The previous prime is 1351705453633. The next prime is 1351705453667. The reversal of 1351705453646 is 6463545071531.

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

It is a junction number, because it is equal to n+sod(n) for n = 1351705453594 and 1351705453603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237922635 + ... + 2237923238.

It is an arithmetic number, because the mean of its divisors is an integer number (255123214818).

Almost surely, 2^{1351705453646} is an apocalyptic number.

1351705453646 is a deficient number, since it is larger than the sum of its proper divisors (689280264898).

1351705453646 is a wasteful number, since it uses less digits than its factorization.

1351705453646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475846026.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 1351705453646 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, four hundred fifty-three thousand, six hundred forty-six".