451342455551 has 8 divisors (see below), whose sum is σ = 486299516640. Its totient is φ = 416419453152.

The previous prime is 451342455527. The next prime is 451342455559. The reversal of 451342455551 is 155554243154.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451342455551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451342455559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8487140 + ... + 8540153.

It is an arithmetic number, because the mean of its divisors is an integer number (60787439580).

Almost surely, 2^451342455551 is an apocalyptic number.

451342455551 is a deficient number, since it is larger than the sum of its proper divisors (34957061089).

451342455551 is a wasteful number, since it uses less digits than its factorization.

451342455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17029345.

The product of its digits is 1200000, while the sum is 44.

The spelling of 451342455551 in words is "four hundred fifty-one billion, three hundred forty-two million, four hundred fifty-five thousand, five hundred fifty-one".