15379274605 has 8 divisors (see below), whose sum is σ = 18455795064. Its totient is φ = 12302976000.

The previous prime is 15379274597. The next prime is 15379274639. The reversal of 15379274605 is 50647297351.

It can be written as a sum of positive squares in 4 ways, for example, as 2200923396 + 13178351209 = 46914^2 + 114797^2 .

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

It is not a de Polignac number, because 15379274605 - 2³ = 15379274597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 248145 + ... + 303865.

It is an arithmetic number, because the mean of its divisors is an integer number (2306974383).

Almost surely, 2^15379274605 is an apocalyptic number.

It is an amenable number.

15379274605 is a deficient number, since it is larger than the sum of its proper divisors (3076520459).

15379274605 is an equidigital number, since it uses as much as digits as its factorization.

15379274605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110927.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 15379274605 in words is "fifteen billion, three hundred seventy-nine million, two hundred seventy-four thousand, six hundred five".