451291240629 has 24 divisors (see below), whose sum is σ = 659812127520. Its totient is φ = 297194005152.

The previous prime is 451291240627. The next prime is 451291240643. The reversal of 451291240629 is 926042192154.

451291240629 is a `hidden beast` number, since 4 + 5 + 1 + 2 + 9 + 12 + 4 + 0 + 629 = 666.

It is not a de Polignac number, because 451291240629 - 2¹ = 451291240627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451291240627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5779602 + ... + 5857164.

It is an arithmetic number, because the mean of its divisors is an integer number (27492171980).

Almost surely, 2^451291240629 is an apocalyptic number.

It is an amenable number.

451291240629 is a deficient number, since it is larger than the sum of its proper divisors (208520886891).

451291240629 is a wasteful number, since it uses less digits than its factorization.

451291240629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85441 (or 85438 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 451291240629 in words is "four hundred fifty-one billion, two hundred ninety-one million, two hundred forty thousand, six hundred twenty-nine".