15242731337 has 2 divisors, whose sum is σ = 15242731338. Its totient is φ = 15242731336.

The previous prime is 15242731333. The next prime is 15242731397. The reversal of 15242731337 is 73313724251.

It is a happy number.

15242731337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14475939856 + 766791481 = 120316^2 + 27691^2 .

It is a cyclic number.

It is not a de Polignac number, because 15242731337 - 2² = 15242731333 is a prime.

It is a super-2 number, since 2×15242731337² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15242731337.

It is not a weakly prime, because it can be changed into another prime (15242731333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621365668 + 7621365669.

It is an arithmetic number, because the mean of its divisors is an integer number (7621365669).

Almost surely, 2^15242731337 is an apocalyptic number.

It is an amenable number.

15242731337 is a deficient number, since it is larger than the sum of its proper divisors (1).

15242731337 is an equidigital number, since it uses as much as digits as its factorization.

15242731337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The spelling of 15242731337 in words is "fifteen billion, two hundred forty-two million, seven hundred thirty-one thousand, three hundred thirty-seven".