9149926420 has 24 divisors (see below), whose sum is σ = 19235304648. Its totient is φ = 3656073600.

The previous prime is 9149926403. The next prime is 9149926421. The reversal of 9149926420 is 246299419.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 419266576 + 8730659844 = 20476^2 + 93438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149926421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224271 + ... + 261910.

It is an arithmetic number, because the mean of its divisors is an integer number (801471027).

Almost surely, 2^9149926420 is an apocalyptic number.

It is an amenable number.

9149926420 is an abundant number, since it is smaller than the sum of its proper divisors (10085378228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9149926420 is a wasteful number, since it uses less digits than its factorization.

9149926420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487131 (or 487129 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 9149926420 is about 95655.2477389505. The cubic root of 9149926420 is about 2091.5706255873.

The spelling of 9149926420 in words is "nine billion, one hundred forty-nine million, nine hundred twenty-six thousand, four hundred twenty".