1780468453375 has 32 divisors (see below), whose sum is σ = 2227277445120. Its totient is φ = 1421011620000.

The previous prime is 1780468453339. The next prime is 1780468453381. The reversal of 1780468453375 is 5733548640871.

It is not a de Polignac number, because 1780468453375 - 2⁹ = 1780468452863 is a prime.

It is a super-3 number, since 3×1780468453375³ (a number of 38 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96487900 + ... + 96506350.

It is an arithmetic number, because the mean of its divisors is an integer number (69602420160).

Almost surely, 2^{1780468453375} is an apocalyptic number.

1780468453375 is a deficient number, since it is larger than the sum of its proper divisors (446808991745).

1780468453375 is a wasteful number, since it uses less digits than its factorization.

1780468453375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 1780468453375 in words is "one trillion, seven hundred eighty billion, four hundred sixty-eight million, four hundred fifty-three thousand, three hundred seventy-five".