15242926093 has 4 divisors (see below), whose sum is σ = 15243175168. Its totient is φ = 15242677020.

The previous prime is 15242926067. The next prime is 15242926103. The reversal of 15242926093 is 39062924251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39062924251 = 13 ⋅3004840327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15242926093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242926693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37780 + ... + 178642.

It is an arithmetic number, because the mean of its divisors is an integer number (3810793792).

Almost surely, 2^15242926093 is an apocalyptic number.

It is an amenable number.

15242926093 is a deficient number, since it is larger than the sum of its proper divisors (249075).

15242926093 is a wasteful number, since it uses less digits than its factorization.

15242926093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249074.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 15242926093 in words is "fifteen billion, two hundred forty-two million, nine hundred twenty-six thousand, ninety-three".