27423742243513 has 32 divisors (see below), whose sum is σ = 34257959424000. Its totient is φ = 21327106584960.

The previous prime is 27423742243483. The next prime is 27423742243529. The reversal of 27423742243513 is 31534224732472.

It is not a de Polignac number, because 27423742243513 - 2¹⁷ = 27423742112441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27423742243553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104998981 + ... + 105259837.

It is an arithmetic number, because the mean of its divisors is an integer number (1070561232000).

Almost surely, 2^{27423742243513} is an apocalyptic number.

It is an amenable number.

27423742243513 is a deficient number, since it is larger than the sum of its proper divisors (6834217180487).

27423742243513 is a wasteful number, since it uses less digits than its factorization.

27423742243513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263557.

The product of its digits is 6773760, while the sum is 49.

Adding to 27423742243513 its reverse (31534224732472), we get a palindrome (58957966975985).

The spelling of 27423742243513 in words is "twenty-seven trillion, four hundred twenty-three billion, seven hundred forty-two million, two hundred forty-three thousand, five hundred thirteen".