6909153420 has 96 divisors (see below), whose sum is σ = 21127357440. Its totient is φ = 1676747520.

The previous prime is 6909153403. The next prime is 6909153421. The reversal of 6909153420 is 243519096.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6909153421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7000 + ... + 117759.

It is an arithmetic number, because the mean of its divisors is an integer number (220076640).

Almost surely, 2^6909153420 is an apocalyptic number.

6909153420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6909153420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10563678720).

6909153420 is an abundant number, since it is smaller than the sum of its proper divisors (14218204020).

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

6909153420 is a wasteful number, since it uses less digits than its factorization.

6909153420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124855 (or 124853 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 6909153420 is about 83121.3174823402. The cubic root of 6909153420 is about 1904.6197296918.

The spelling of 6909153420 in words is "six billion, nine hundred nine million, one hundred fifty-three thousand, four hundred twenty".