456818227549 has 8 divisors (see below), whose sum is σ = 468118514808. Its totient is φ = 445525482240.

The previous prime is 456818227501. The next prime is 456818227601. The reversal of 456818227549 is 945722818654.

It can be written as a sum of positive squares in 4 ways, for example, as 30385719225 + 426432508324 = 174315^2 + 653018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 456818227549 - 2⁷ = 456818227421 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 (456818221549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762752 + ... + 2005225.

It is an arithmetic number, because the mean of its divisors is an integer number (58514814351).

Almost surely, 2^456818227549 is an apocalyptic number.

It is an amenable number.

456818227549 is a deficient number, since it is larger than the sum of its proper divisors (11300287259).

456818227549 is a wasteful number, since it uses less digits than its factorization.

456818227549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770975.

The product of its digits is 38707200, while the sum is 61.

The spelling of 456818227549 in words is "four hundred fifty-six billion, eight hundred eighteen million, two hundred twenty-seven thousand, five hundred forty-nine".