919225371371328 has 896 divisors, whose sum is σ = 3161379903897600. Its totient is φ = 256493262403584.

The previous prime is 919225371371257. The next prime is 919225371371401. The reversal of 919225371371328 is 823173173522919.

It is a happy number.

919225371371328 is a `hidden beast` number, since 9 + 1 + 9 + 2 + 2 + 537 + 1 + 3 + 71 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 80050971475 + ... + 80050982957.

It is an arithmetic number, because the mean of its divisors is an integer number (3528325785600).

Almost surely, 2^{919225371371328} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 919225371371328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580689951948800).

919225371371328 is an abundant number, since it is smaller than the sum of its proper divisors (2242154532526272).

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

919225371371328 is a wasteful number, since it uses less digits than its factorization.

919225371371328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296 (or 12280 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 919225371371328 in words is "nine hundred nineteen trillion, two hundred twenty-five billion, three hundred seventy-one million, three hundred seventy-one thousand, three hundred twenty-eight".