47815917369 has 32 divisors (see below), whose sum is σ = 70303073280. Its totient is φ = 28666612800.

The previous prime is 47815917349. The next prime is 47815917407. The reversal of 47815917369 is 96371951874.

It is not a de Polignac number, because 47815917369 - 2⁵ = 47815917337 is a prime.

It is a super-2 number, since 2×47815917369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47815917329) 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 31 ways as a sum of consecutive naturals, for example, 2259174 + ... + 2280240.

It is an arithmetic number, because the mean of its divisors is an integer number (2196971040).

Almost surely, 2^47815917369 is an apocalyptic number.

It is an amenable number.

47815917369 is a deficient number, since it is larger than the sum of its proper divisors (22487155911).

47815917369 is a wasteful number, since it uses less digits than its factorization.

47815917369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821.

The product of its digits is 11430720, while the sum is 60.

The spelling of 47815917369 in words is "forty-seven billion, eight hundred fifteen million, nine hundred seventeen thousand, three hundred sixty-nine".