468640853 has 16 divisors (see below), whose sum is σ = 514939824. Its totient is φ = 424673280.

The previous prime is 468640849. The next prime is 468640867. The reversal of 468640853 is 358046864.

It can be written as a sum of positive squares in 8 ways, for example, as 89832484 + 378808369 = 9478^2 + 19463^2 .

It is a cyclic number.

It is not a de Polignac number, because 468640853 - 2² = 468640849 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 (468640883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57173 + ... + 64853.

It is an arithmetic number, because the mean of its divisors is an integer number (32183739).

Almost surely, 2^468640853 is an apocalyptic number.

It is an amenable number.

468640853 is a deficient number, since it is larger than the sum of its proper divisors (46298971).

468640853 is a wasteful number, since it uses less digits than its factorization.

468640853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 468640853 is about 21648.1143058697. The cubic root of 468640853 is about 776.7478293449.

The spelling of 468640853 in words is "four hundred sixty-eight million, six hundred forty thousand, eight hundred fifty-three".