11739739427 has 8 divisors (see below), whose sum is σ = 12643639680. Its totient is φ = 10835959680.

The previous prime is 11739739421. The next prime is 11739739481. The reversal of 11739739427 is 72493793711.

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

It is not a de Polignac number, because 11739739427 - 2²² = 11735545123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11739739421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348974 + ... + 381132.

It is an arithmetic number, because the mean of its divisors is an integer number (1580454960).

Almost surely, 2^11739739427 is an apocalyptic number.

11739739427 is a deficient number, since it is larger than the sum of its proper divisors (903900253).

11739739427 is a wasteful number, since it uses less digits than its factorization.

11739739427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60253.

The product of its digits is 2000376, while the sum is 53.

The spelling of 11739739427 in words is "eleven billion, seven hundred thirty-nine million, seven hundred thirty-nine thousand, four hundred twenty-seven".