9654949421 has 8 divisors (see below), whose sum is σ = 10593820440. Its totient is φ = 8744104512.

The previous prime is 9654949397. The next prime is 9654949433. The reversal of 9654949421 is 1249494569.

It can be written as a sum of positive squares in 4 ways, for example, as 2142393796 + 7512555625 = 46286^2 + 86675^2 .

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

It is not a de Polignac number, because 9654949421 - 2²² = 9650755117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9654999421) 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, 7005806 + ... + 7007183.

It is an arithmetic number, because the mean of its divisors is an integer number (1324227555).

Almost surely, 2^9654949421 is an apocalyptic number.

It is an amenable number.

9654949421 is a deficient number, since it is larger than the sum of its proper divisors (938871019).

9654949421 is a wasteful number, since it uses less digits than its factorization.

9654949421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013055.

The product of its digits is 2799360, while the sum is 53.

The square root of 9654949421 is about 98259.6021821786. The cubic root of 9654949421 is about 2129.3644588637.

The spelling of 9654949421 in words is "nine billion, six hundred fifty-four million, nine hundred forty-nine thousand, four hundred twenty-one".