3817922453730 has 864 divisors, whose sum is σ = 13156664661504. Its totient is φ = 764539776000.

The previous prime is 3817922453707. The next prime is 3817922453759. The reversal of 3817922453730 is 373542297183.

It is a happy number.

3817922453730 is a `hidden beast` number, since 3 + 8 + 1 + 79 + 2 + 2 + 4 + 537 + 30 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 431 ways as a sum of consecutive naturals, for example, 7328065870 + ... + 7328066390.

It is an arithmetic number, because the mean of its divisors is an integer number (15227621136).

Almost surely, 2^{3817922453730} is an apocalyptic number.

3817922453730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3817922453730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6578332330752).

3817922453730 is an abundant number, since it is smaller than the sum of its proper divisors (9338742207774).

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

3817922453730 is a wasteful number, since it uses less digits than its factorization.

3817922453730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 3817922453730 in words is "three trillion, eight hundred seventeen billion, nine hundred twenty-two million, four hundred fifty-three thousand, seven hundred thirty".