451604259551 has 4 divisors (see below), whose sum is σ = 451719556872. Its totient is φ = 451488962232.

The previous prime is 451604259527. The next prime is 451604259559. The reversal of 451604259551 is 155952406154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451604259551 - 2¹⁰ = 451604258527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451604259496 and 451604259505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451604259559) 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, 57642785 + ... + 57650618.

It is an arithmetic number, because the mean of its divisors is an integer number (112929889218).

Almost surely, 2^451604259551 is an apocalyptic number.

451604259551 is a deficient number, since it is larger than the sum of its proper divisors (115297321).

451604259551 is a wasteful number, since it uses less digits than its factorization.

451604259551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115297320.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 451604259551 in words is "four hundred fifty-one billion, six hundred four million, two hundred fifty-nine thousand, five hundred fifty-one".