15347730813 has 16 divisors (see below), whose sum is σ = 21387535680. Its totient is φ = 9777148416.

The previous prime is 15347730787. The next prime is 15347730817. The reversal of 15347730813 is 31803774351.

It is not a de Polignac number, because 15347730813 - 2²⁶ = 15280621949 is a prime.

It is a super-3 number, since 3×15347730813³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15347730817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900895 + ... + 917772.

It is an arithmetic number, because the mean of its divisors is an integer number (1336720980).

Almost surely, 2^15347730813 is an apocalyptic number.

It is an amenable number.

15347730813 is a deficient number, since it is larger than the sum of its proper divisors (6039804867).

15347730813 is a wasteful number, since it uses less digits than its factorization.

15347730813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818796.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 15347730813 in words is "fifteen billion, three hundred forty-seven million, seven hundred thirty thousand, eight hundred thirteen".