9454781564 has 6 divisors (see below), whose sum is σ = 16545867744. Its totient is φ = 4727390780.

The previous prime is 9454781561. The next prime is 9454781587. The reversal of 9454781564 is 4651874549.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9454781561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1181847692 + ... + 1181847699.

It is an arithmetic number, because the mean of its divisors is an integer number (2757644624).

Almost surely, 2^9454781564 is an apocalyptic number.

It is an amenable number.

9454781564 is a deficient number, since it is larger than the sum of its proper divisors (7091086180).

9454781564 is a wasteful number, since it uses less digits than its factorization.

9454781564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363695395 (or 2363695393 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The square root of 9454781564 is about 97235.7010773306. The cubic root of 9454781564 is about 2114.5461426681.

The spelling of 9454781564 in words is "nine billion, four hundred fifty-four million, seven hundred eighty-one thousand, five hundred sixty-four".