15930393349 has 8 divisors (see below), whose sum is σ = 17175838680. Its totient is φ = 14687809536.

The previous prime is 15930393343. The next prime is 15930393373. The reversal of 15930393349 is 94339303951.

It can be written as a sum of positive squares in 4 ways, for example, as 7659400324 + 8270993025 = 87518^2 + 90945^2 .

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 15930393349 - 2¹³ = 15930385157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15930393343) 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, 703804 + ... + 726085.

It is an arithmetic number, because the mean of its divisors is an integer number (2146979835).

Almost surely, 2^15930393349 is an apocalyptic number.

It is an amenable number.

15930393349 is a deficient number, since it is larger than the sum of its proper divisors (1245445331).

15930393349 is a wasteful number, since it uses less digits than its factorization.

15930393349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430759.

The product of its (nonzero) digits is 1180980, while the sum is 49.

The spelling of 15930393349 in words is "fifteen billion, nine hundred thirty million, three hundred ninety-three thousand, three hundred forty-nine".