9654768381 has 8 divisors (see below), whose sum is σ = 12875221600. Its totient is φ = 6435413712.

The previous prime is 9654768353. The next prime is 9654768391. The reversal of 9654768381 is 1838674569.

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

It is not a de Polignac number, because 9654768381 - 2⁶ = 9654768317 is a prime.

It is a super-2 number, since 2×9654768381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9654768301) 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, 253906 + ... + 289443.

It is an arithmetic number, because the mean of its divisors is an integer number (1609402700).

Almost surely, 2^9654768381 is an apocalyptic number.

It is an amenable number.

9654768381 is a deficient number, since it is larger than the sum of its proper divisors (3220453219).

9654768381 is a wasteful number, since it uses less digits than its factorization.

9654768381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549275.

The product of its digits is 8709120, while the sum is 57.

The square root of 9654768381 is about 98258.6809447389. The cubic root of 9654768381 is about 2129.3511495396.

The spelling of 9654768381 in words is "nine billion, six hundred fifty-four million, seven hundred sixty-eight thousand, three hundred eighty-one".