15393940009247 has 8 divisors (see below), whose sum is σ = 15512257210032. Its totient is φ = 15275635024000.

The previous prime is 15393940009207. The next prime is 15393940009267. The reversal of 15393940009247 is 74290004939351.

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

It is a cyclic number.

It is not a de Polignac number, because 15393940009247 - 2¹⁴ = 15393939992863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15393940009192 and 15393940009201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15393940009207) 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, 515738 + ... + 5572599.

It is an arithmetic number, because the mean of its divisors is an integer number (1939032151254).

Almost surely, 2^{15393940009247} is an apocalyptic number.

15393940009247 is a deficient number, since it is larger than the sum of its proper divisors (118317200785).

15393940009247 is a wasteful number, since it uses less digits than its factorization.

15393940009247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107769.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 15393940009247 in words is "fifteen trillion, three hundred ninety-three billion, nine hundred forty million, nine thousand, two hundred forty-seven".