6405993441275 has 12 divisors (see below), whose sum is σ = 7958620089672. Its totient is φ = 5114995899840.

The previous prime is 6405993441257. The next prime is 6405993441329. The reversal of 6405993441275 is 5721443995046.

It is not a de Polignac number, because 6405993441275 - 2¹⁰ = 6405993440251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244957994 + ... + 244984143.

It is an arithmetic number, because the mean of its divisors is an integer number (663218340806).

Almost surely, 2^{6405993441275} is an apocalyptic number.

6405993441275 is a deficient number, since it is larger than the sum of its proper divisors (1552626648397).

6405993441275 is a wasteful number, since it uses less digits than its factorization.

6405993441275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489942670 (or 489942665 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 6405993441275 in words is "six trillion, four hundred five billion, nine hundred ninety-three million, four hundred forty-one thousand, two hundred seventy-five".