15244246641 has 8 divisors (see below), whose sum is σ = 21889174720. Its totient is φ = 9381074832.

The previous prime is 15244246571. The next prime is 15244246643. The reversal of 15244246641 is 14664244251.

15244246641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15244246641 - 2⁷ = 15244246513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 390878119 = 15244246641 / (1 + 5 + 2 + 4 + 4 + 2 + 4 + 6 + 6 + 4 + 1).

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 15244246641.

It is not an unprimeable number, because it can be changed into a prime (15244246643) 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 in 7 ways as a sum of consecutive naturals, for example, 195439021 + ... + 195439098.

It is an arithmetic number, because the mean of its divisors is an integer number (2736146840).

Almost surely, 2^15244246641 is an apocalyptic number.

It is an amenable number.

15244246641 is a deficient number, since it is larger than the sum of its proper divisors (6644928079).

15244246641 is a wasteful number, since it uses less digits than its factorization.

15244246641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390878135.

The product of its digits is 184320, while the sum is 39.

The spelling of 15244246641 in words is "fifteen billion, two hundred forty-four million, two hundred forty-six thousand, six hundred forty-one".