4091921301204 has 180 divisors, whose sum is σ = 11989107879840. Its totient is φ = 1167026945280.

The previous prime is 4091921301197. The next prime is 4091921301367. The reversal of 4091921301204 is 4021031291904.

4091921301204 is a `hidden beast` number, since 40 + 91 + 9 + 21 + 301 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 33012457 + ... + 33136175.

It is an arithmetic number, because the mean of its divisors is an integer number (66606154888).

Almost surely, 2^{4091921301204} is an apocalyptic number.

4091921301204 is a gapful number since it is divisible by the number (44) 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 4091921301204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5994553939920).

4091921301204 is an abundant number, since it is smaller than the sum of its proper divisors (7897186578636).

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

4091921301204 is a wasteful number, since it uses less digits than its factorization.

4091921301204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123808 (or 123752 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 4091921301204 in words is "four trillion, ninety-one billion, nine hundred twenty-one million, three hundred one thousand, two hundred four".