13752721395 has 48 divisors (see below), whose sum is σ = 27252406272. Its totient is φ = 6284900160.

The previous prime is 13752721393. The next prime is 13752721397. The reversal of 13752721395 is 59312725731.

13752721395 is a `hidden beast` number, since 1 + 37 + 527 + 2 + 1 + 3 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (13752721393) and next prime (13752721397).

It is not a de Polignac number, because 13752721395 - 2¹ = 13752721393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13752721395.

It is not an unprimeable number, because it can be changed into a prime (13752721393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1388310 + ... + 1398180.

It is an arithmetic number, because the mean of its divisors is an integer number (567758464).

Almost surely, 2^13752721395 is an apocalyptic number.

13752721395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13752721395 is a deficient number, since it is larger than the sum of its proper divisors (13499684877).

13752721395 is a wasteful number, since it uses less digits than its factorization.

13752721395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312 (or 14309 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The spelling of 13752721395 in words is "thirteen billion, seven hundred fifty-two million, seven hundred twenty-one thousand, three hundred ninety-five".