1899043356672 has 1440 divisors, whose sum is σ = 7454289959424. Its totient is φ = 467140608000.

The previous prime is 1899043356667. The next prime is 1899043356697. The reversal of 1899043356672 is 2766533409981.

1899043356672 is a `hidden beast` number, since 1 + 8 + 9 + 90 + 433 + 56 + 67 + 2 = 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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18802409422 + ... + 18802409522.

It is a 1-persistent number, because it is pandigital, but 2⋅1899043356672 = 3798086713344 is not.

Almost surely, 2^{1899043356672} is an apocalyptic number.

1899043356672 is a gapful number since it is divisible by the number (12) 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 1899043356672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727144979712).

1899043356672 is an abundant number, since it is smaller than the sum of its proper divisors (5555246602752).

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

1899043356672 is an equidigital number, since it uses as much as digits as its factorization.

1899043356672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 1899043356672 in words is "one trillion, eight hundred ninety-nine billion, forty-three million, three hundred fifty-six thousand, six hundred seventy-two".