404663697722231 has 4 divisors (see below), whose sum is σ = 404663806299264. Its totient is φ = 404663589145200.

The previous prime is 404663697722213. The next prime is 404663697722243. The reversal of 404663697722231 is 132227796366404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404663697722231 is a prime.

It is a super-2 number, since 2×404663697722231² (a number of 30 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 (404663697727231) 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, 48491735 + ... + 56220776.

It is an arithmetic number, because the mean of its divisors is an integer number (101165951574816).

Almost surely, 2^{404663697722231} is an apocalyptic number.

404663697722231 is a deficient number, since it is larger than the sum of its proper divisors (108577033).

404663697722231 is a wasteful number, since it uses less digits than its factorization.

404663697722231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108577032.

The product of its (nonzero) digits is 109734912, while the sum is 62.

The spelling of 404663697722231 in words is "four hundred four trillion, six hundred sixty-three billion, six hundred ninety-seven million, seven hundred twenty-two thousand, two hundred thirty-one".