427553053893 has 24 divisors (see below), whose sum is σ = 708485551488. Its totient is φ = 243387063072.

The previous prime is 427553053861. The next prime is 427553053919. The reversal of 427553053893 is 398350355724.

427553053893 is a `hidden beast` number, since 4 + 2 + 7 + 553 + 0 + 5 + 3 + 89 + 3 = 666.

It is not a de Polignac number, because 427553053893 - 2⁵ = 427553053861 is a prime.

It is a super-2 number, since 2×427553053893² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427553053813) 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, 12885630 + ... + 12918767.

It is an arithmetic number, because the mean of its divisors is an integer number (29520231312).

Almost surely, 2^427553053893 is an apocalyptic number.

It is an amenable number.

427553053893 is a deficient number, since it is larger than the sum of its proper divisors (280932497595).

427553053893 is a wasteful number, since it uses less digits than its factorization.

427553053893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25804673 (or 25804670 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 427553053893 in words is "four hundred twenty-seven billion, five hundred fifty-three million, fifty-three thousand, eight hundred ninety-three".