9551913481 has 8 divisors (see below), whose sum is σ = 10432699200. Its totient is φ = 8673199440.

The previous prime is 9551913479. The next prime is 9551913487. The reversal of 9551913481 is 1843191559.

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 9551913481 - 2¹ = 9551913479 is a prime.

It is a super-2 number, since 2×9551913481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9551913487) 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, 508266 + ... + 526723.

It is an arithmetic number, because the mean of its divisors is an integer number (1304087400).

Almost surely, 2^9551913481 is an apocalyptic number.

It is an amenable number.

9551913481 is a deficient number, since it is larger than the sum of its proper divisors (880785719).

9551913481 is a wasteful number, since it uses less digits than its factorization.

9551913481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035839.

The product of its digits is 194400, while the sum is 46.

The square root of 9551913481 is about 97733.8911585945. The cubic root of 9551913481 is about 2121.7626168980.

The spelling of 9551913481 in words is "nine billion, five hundred fifty-one million, nine hundred thirteen thousand, four hundred eighty-one".