1890004701043 has 4 divisors (see below), whose sum is σ = 1890007652848. Its totient is φ = 1890001749240.

The previous prime is 1890004701029. The next prime is 1890004701049. The reversal of 1890004701043 is 3401074000981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1890004701043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1890004700993 and 1890004701011.

It is not an unprimeable number, because it can be changed into a prime (1890004701049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67428 + ... + 1945393.

It is an arithmetic number, because the mean of its divisors is an integer number (472501913212).

Almost surely, 2^{1890004701043} is an apocalyptic number.

1890004701043 is a deficient number, since it is larger than the sum of its proper divisors (2951805).

1890004701043 is an equidigital number, since it uses as much as digits as its factorization.

1890004701043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951804.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1890004701043 in words is "one trillion, eight hundred ninety billion, four million, seven hundred one thousand, forty-three".