52740149439 has 8 divisors (see below), whose sum is σ = 70684553392. Its totient is φ = 34977922560.

The previous prime is 52740149419. The next prime is 52740149453. The reversal of 52740149439 is 93494104725.

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

It is not a de Polignac number, because 52740149439 - 2¹³ = 52740141247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52740149419) 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, 45543592 + ... + 45544749.

It is an arithmetic number, because the mean of its divisors is an integer number (8835569174).

Almost surely, 2^52740149439 is an apocalyptic number.

52740149439 is a deficient number, since it is larger than the sum of its proper divisors (17944403953).

52740149439 is a wasteful number, since it uses less digits than its factorization.

52740149439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91088537.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 52740149439 in words is "fifty-two billion, seven hundred forty million, one hundred forty-nine thousand, four hundred thirty-nine".