427109334551 has 8 divisors (see below), whose sum is σ = 457682009904. Its totient is φ = 397142058880.

The previous prime is 427109334527. The next prime is 427109334557. The reversal of 427109334551 is 155433901724.

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 not a de Polignac number, because 427109334551 - 2¹⁸ = 427109072407 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 (427109334557) 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, 151348460 + ... + 151351281.

It is an arithmetic number, because the mean of its divisors is an integer number (57210251238).

Almost surely, 2^427109334551 is an apocalyptic number.

427109334551 is a deficient number, since it is larger than the sum of its proper divisors (30572675353).

427109334551 is a wasteful number, since it uses less digits than its factorization.

427109334551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302699841.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 427109334551 in words is "four hundred twenty-seven billion, one hundred nine million, three hundred thirty-four thousand, five hundred fifty-one".