9614913981 has 8 divisors (see below), whose sum is σ = 12820382784. Its totient is φ = 6409693920.

The previous prime is 9614913961. The next prime is 9614914007. The reversal of 9614913981 is 1893194169.

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

It is not a de Polignac number, because 9614913981 - 2⁷ = 9614913853 is a prime.

It is a super-2 number, since 2×9614913981² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9614913961) 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, 65416 + ... + 153326.

It is an arithmetic number, because the mean of its divisors is an integer number (1602547848).

Almost surely, 2^9614913981 is an apocalyptic number.

It is an amenable number.

9614913981 is a deficient number, since it is larger than the sum of its proper divisors (3205468803).

9614913981 is a wasteful number, since it uses less digits than its factorization.

9614913981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124371.

The product of its digits is 419904, while the sum is 51.

The square root of 9614913981 is about 98055.6677658156. The cubic root of 9614913981 is about 2126.4171570951.

The spelling of 9614913981 in words is "nine billion, six hundred fourteen million, nine hundred thirteen thousand, nine hundred eighty-one".