27435427438 has 8 divisors (see below), whose sum is σ = 42572215080. Its totient is φ = 13244689080.

The previous prime is 27435427427. The next prime is 27435427489. The reversal of 27435427438 is 83472453472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27435427391 and 27435427400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 236512248 + ... + 236512363.

It is an arithmetic number, because the mean of its divisors is an integer number (5321526885).

Almost surely, 2^27435427438 is an apocalyptic number.

27435427438 is a deficient number, since it is larger than the sum of its proper divisors (15136787642).

27435427438 is a wasteful number, since it uses less digits than its factorization.

27435427438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473024642.

The product of its digits is 4515840, while the sum is 49.

The spelling of 27435427438 in words is "twenty-seven billion, four hundred thirty-five million, four hundred twenty-seven thousand, four hundred thirty-eight".