27545443351 has 4 divisors (see below), whose sum is σ = 27545783400. Its totient is φ = 27545103304.

The previous prime is 27545443327. The next prime is 27545443357. The reversal of 27545443351 is 15334454572.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27545443351 - 2⁵ = 27545443319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27545443298 and 27545443307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27545443357) 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, 29640 + ... + 236578.

It is an arithmetic number, because the mean of its divisors is an integer number (6886445850).

Almost surely, 2^27545443351 is an apocalyptic number.

27545443351 is a deficient number, since it is larger than the sum of its proper divisors (340049).

27545443351 is a wasteful number, since it uses less digits than its factorization.

27545443351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340048.

The product of its digits is 1008000, while the sum is 43.

The spelling of 27545443351 in words is "twenty-seven billion, five hundred forty-five million, four hundred forty-three thousand, three hundred fifty-one".