451613610872 has 16 divisors (see below), whose sum is σ = 848189178000. Its totient is φ = 225429830080.

The previous prime is 451613610871. The next prime is 451613610911. The reversal of 451613610872 is 278016316154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451613610871) 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, 47116829 + ... + 47126412.

It is an arithmetic number, because the mean of its divisors is an integer number (53011823625).

Almost surely, 2^451613610872 is an apocalyptic number.

It is an amenable number.

451613610872 is a deficient number, since it is larger than the sum of its proper divisors (396575567128).

451613610872 is a wasteful number, since it uses less digits than its factorization.

451613610872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94243846 (or 94243842 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 451613610872 in words is "four hundred fifty-one billion, six hundred thirteen million, six hundred ten thousand, eight hundred seventy-two".