27434215541 has 4 divisors (see below), whose sum is σ = 27435746784. Its totient is φ = 27432684300.

The previous prime is 27434215537. The next prime is 27434215637. The reversal of 27434215541 is 14551243472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27434215541 - 2² = 27434215537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27434215495 and 27434215504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27434215531) 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, 738425 + ... + 774686.

It is an arithmetic number, because the mean of its divisors is an integer number (6858936696).

Almost surely, 2^27434215541 is an apocalyptic number.

It is an amenable number.

27434215541 is a deficient number, since it is larger than the sum of its proper divisors (1531243).

27434215541 is a wasteful number, since it uses less digits than its factorization.

27434215541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531242.

The product of its digits is 134400, while the sum is 38.

The spelling of 27434215541 in words is "twenty-seven billion, four hundred thirty-four million, two hundred fifteen thousand, five hundred forty-one".