451655635064 has 8 divisors (see below), whose sum is σ = 846854315760. Its totient is φ = 225827817528.

The previous prime is 451655635049. The next prime is 451655635073. The reversal of 451655635064 is 460536556154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28228477184 + ... + 28228477199.

It is an arithmetic number, because the mean of its divisors is an integer number (105856789470).

Almost surely, 2^451655635064 is an apocalyptic number.

It is an amenable number.

451655635064 is a deficient number, since it is larger than the sum of its proper divisors (395198680696).

451655635064 is a wasteful number, since it uses less digits than its factorization.

451655635064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56456954389 (or 56456954385 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 451655635064 in words is "four hundred fifty-one billion, six hundred fifty-five million, six hundred thirty-five thousand, sixty-four".