2189093918004 has 72 divisors (see below), whose sum is σ = 6324240686400. Its totient is φ = 625436456832.

The previous prime is 2189093917987. The next prime is 2189093918021. The reversal of 2189093918004 is 4008193909812.

It is an interprime number because it is at equal distance from previous prime (2189093917987) and next prime (2189093918021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9639912 + ... + 9864384.

It is an arithmetic number, because the mean of its divisors is an integer number (87836676200).

Almost surely, 2^{2189093918004} is an apocalyptic number.

It is an amenable number.

2189093918004 is an abundant number, since it is smaller than the sum of its proper divisors (4135146768396).

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

2189093918004 is a wasteful number, since it uses less digits than its factorization.

2189093918004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263189 (or 263184 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 2189093918004 in words is "two trillion, one hundred eighty-nine billion, ninety-three million, nine hundred eighteen thousand, four".