14545591939 has 4 divisors (see below), whose sum is σ = 14547107200. Its totient is φ = 14544076680.

The previous prime is 14545591937. The next prime is 14545591961. The reversal of 14545591939 is 93919554541.

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

It is a cyclic number.

It is not a de Polignac number, because 14545591939 - 2¹ = 14545591937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14545591939.

It is not an unprimeable number, because it can be changed into a prime (14545591937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743139 + ... + 762460.

It is an arithmetic number, because the mean of its divisors is an integer number (3636776800).

Almost surely, 2^14545591939 is an apocalyptic number.

14545591939 is a deficient number, since it is larger than the sum of its proper divisors (1515261).

14545591939 is an equidigital number, since it uses as much as digits as its factorization.

14545591939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515260.

The product of its digits is 4374000, while the sum is 55.

The spelling of 14545591939 in words is "fourteen billion, five hundred forty-five million, five hundred ninety-one thousand, nine hundred thirty-nine".