15312312793 has 8 divisors (see below), whose sum is σ = 15475824000. Its totient is φ = 15149087328.

The previous prime is 15312312791. The next prime is 15312312803. The reversal of 15312312793 is 39721321351.

It is a happy number.

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 15312312793 - 2¹ = 15312312791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15312312791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37188 + ... + 178906.

It is an arithmetic number, because the mean of its divisors is an integer number (1934478000).

Almost surely, 2^15312312793 is an apocalyptic number.

It is an amenable number.

15312312793 is a deficient number, since it is larger than the sum of its proper divisors (163511207).

15312312793 is a wasteful number, since it uses less digits than its factorization.

15312312793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142871.

The product of its digits is 34020, while the sum is 37.

The spelling of 15312312793 in words is "fifteen billion, three hundred twelve million, three hundred twelve thousand, seven hundred ninety-three".