15382696729 has 9 divisors (see below), whose sum is σ = 15605490303. Its totient is φ = 15163044912.

The previous prime is 15382696727. The next prime is 15382696739. The reversal of 15382696729 is 92769628351.

The square root of 15382696729 is 124027.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8731968025 + 6650728704 = 93445^2 + 81552^2 .

It is not a de Polignac number, because 15382696729 - 2¹ = 15382696727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15382696727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9053122 + ... + 9054820.

It is an arithmetic number, because the mean of its divisors is an integer number (1733943367).

Almost surely, 2^15382696729 is an apocalyptic number.

15382696729 is the 124027-th square number.

15382696729 is the 62014-th centered octagonal number.

It is an amenable number.

15382696729 is a deficient number, since it is larger than the sum of its proper divisors (222793574).

15382696729 is an frugal number, since it uses more digits than its factorization.

15382696729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 1772 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The spelling of 15382696729 in words is "fifteen billion, three hundred eighty-two million, six hundred ninety-six thousand, seven hundred twenty-nine".