27346639454 has 4 divisors (see below), whose sum is σ = 41019959184. Its totient is φ = 13673319726.

The previous prime is 27346639451. The next prime is 27346639483. The reversal of 27346639454 is 45493664372.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 27346639396 and 27346639405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27346639451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836659862 + ... + 6836659865.

It is an arithmetic number, because the mean of its divisors is an integer number (10254989796).

Almost surely, 2^27346639454 is an apocalyptic number.

27346639454 is a deficient number, since it is larger than the sum of its proper divisors (13673319730).

27346639454 is a wasteful number, since it uses less digits than its factorization.

27346639454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673319729.

The product of its digits is 13063680, while the sum is 53.

The spelling of 27346639454 in words is "twenty-seven billion, three hundred forty-six million, six hundred thirty-nine thousand, four hundred fifty-four".