451147421670 has 64 divisors (see below), whose sum is σ = 1232541909504. Its totient is φ = 104613893120.

The previous prime is 451147421651. The next prime is 451147421687. The reversal of 451147421670 is 76124741154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29712267 + ... + 29727446.

It is an arithmetic number, because the mean of its divisors is an integer number (19258467336).

Almost surely, 2^451147421670 is an apocalyptic number.

451147421670 is an abundant number, since it is smaller than the sum of its proper divisors (781394487834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451147421670 is a wasteful number, since it uses less digits than its factorization.

451147421670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59439757.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 451147421670 in words is "four hundred fifty-one billion, one hundred forty-seven million, four hundred twenty-one thousand, six hundred seventy".