404947293407 has 4 divisors (see below), whose sum is σ = 404951028816. Its totient is φ = 404943558000.

The previous prime is 404947293367. The next prime is 404947293503. The reversal of 404947293407 is 704392749404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404947293407 - 2⁶ = 404947293343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404947295407) by changing a digit.

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, 1700078 + ... + 1923579.

It is an arithmetic number, because the mean of its divisors is an integer number (101237757204).

Almost surely, 2^404947293407 is an apocalyptic number.

404947293407 is a deficient number, since it is larger than the sum of its proper divisors (3735409).

404947293407 is a wasteful number, since it uses less digits than its factorization.

404947293407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735408.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 404947293407 in words is "four hundred four billion, nine hundred forty-seven million, two hundred ninety-three thousand, four hundred seven".