27426366419 has 4 divisors (see below), whose sum is σ = 27428228040. Its totient is φ = 27424504800.

The previous prime is 27426366349. The next prime is 27426366427. The reversal of 27426366419 is 91466362472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27426366419 is a prime.

It is a super-2 number, since 2×27426366419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27426362419) 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 3 ways as a sum of consecutive naturals, for example, 908534 + ... + 938235.

It is an arithmetic number, because the mean of its divisors is an integer number (6857057010).

Almost surely, 2^27426366419 is an apocalyptic number.

27426366419 is a deficient number, since it is larger than the sum of its proper divisors (1861621).

27426366419 is a wasteful number, since it uses less digits than its factorization.

27426366419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861620.

The product of its digits is 2612736, while the sum is 50.

The spelling of 27426366419 in words is "twenty-seven billion, four hundred twenty-six million, three hundred sixty-six thousand, four hundred nineteen".