1645235351341 has 8 divisors (see below), whose sum is σ = 1653947596800. Its totient is φ = 1636524131760.

The previous prime is 1645235351329. The next prime is 1645235351351. The reversal of 1645235351341 is 1431535325461.

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 1645235351341 - 2¹⁷ = 1645235220269 is a prime.

It is a super-2 number, since 2×1645235351341² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645235351321) 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, 3073620 + ... + 3568978.

It is an arithmetic number, because the mean of its divisors is an integer number (206743449600).

Almost surely, 2^{1645235351341} is an apocalyptic number.

It is an amenable number.

1645235351341 is a deficient number, since it is larger than the sum of its proper divisors (8712245459).

1645235351341 is a wasteful number, since it uses less digits than its factorization.

1645235351341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512939.

The product of its digits is 648000, while the sum is 43.

The spelling of 1645235351341 in words is "one trillion, six hundred forty-five billion, two hundred thirty-five million, three hundred fifty-one thousand, three hundred forty-one".