15730634674945 has 4 divisors (see below), whose sum is σ = 18876761609940. Its totient is φ = 12584507739952.

The previous prime is 15730634674903. The next prime is 15730634674961. The reversal of 15730634674945 is 54947643603751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7067260698624 + 8663373976321 = 2658432^2 + 2943361^2 .

It is a cyclic number.

It is not a de Polignac number, because 15730634674945 - 2¹¹ = 15730634672897 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1573063467490 + ... + 1573063467499.

It is an arithmetic number, because the mean of its divisors is an integer number (4719190402485).

Almost surely, 2^{15730634674945} is an apocalyptic number.

It is an amenable number.

15730634674945 is a deficient number, since it is larger than the sum of its proper divisors (3146126934995).

15730634674945 is an equidigital number, since it uses as much as digits as its factorization.

15730634674945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146126934994.

The product of its (nonzero) digits is 228614400, while the sum is 64.

The spelling of 15730634674945 in words is "fifteen trillion, seven hundred thirty billion, six hundred thirty-four million, six hundred seventy-four thousand, nine hundred forty-five".