451243396126 has 16 divisors (see below), whose sum is σ = 690062360400. Its totient is φ = 221227871488.

The previous prime is 451243396069. The next prime is 451243396127. The reversal of 451243396126 is 621693342154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451243396127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143091 + ... + 1486318.

It is an arithmetic number, because the mean of its divisors is an integer number (43128897525).

Almost surely, 2^451243396126 is an apocalyptic number.

451243396126 is a deficient number, since it is larger than the sum of its proper divisors (238818964274).

451243396126 is a wasteful number, since it uses less digits than its factorization.

451243396126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631083.

The product of its digits is 933120, while the sum is 46.

The spelling of 451243396126 in words is "four hundred fifty-one billion, two hundred forty-three million, three hundred ninety-six thousand, one hundred twenty-six".