404967654349 has 4 divisors (see below), whose sum is σ = 426281741440. Its totient is φ = 383653567260.

The previous prime is 404967654347. The next prime is 404967654353. The reversal of 404967654349 is 943456769404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404967654349 - 2¹ = 404967654347 is a prime.

It is a super-2 number, since 2×404967654349² (a number of 24 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 (404967654341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657043517 + ... + 10657043554.

It is an arithmetic number, because the mean of its divisors is an integer number (106570435360).

Almost surely, 2^404967654349 is an apocalyptic number.

It is an amenable number.

404967654349 is a deficient number, since it is larger than the sum of its proper divisors (21314087091).

404967654349 is a wasteful number, since it uses less digits than its factorization.

404967654349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314087090.

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 404967654349 in words is "four hundred four billion, nine hundred sixty-seven million, six hundred fifty-four thousand, three hundred forty-nine".