2196174770438 has 32 divisors (see below), whose sum is σ = 3618373762080. Its totient is φ = 991424828160.

The previous prime is 2196174770437. The next prime is 2196174770459. The reversal of 2196174770438 is 8340774716912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196174770437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7063220 + ... + 7367592.

It is an arithmetic number, because the mean of its divisors is an integer number (113074180065).

Almost surely, 2^{2196174770438} is an apocalyptic number.

2196174770438 is a deficient number, since it is larger than the sum of its proper divisors (1422198991642).

2196174770438 is a wasteful number, since it uses less digits than its factorization.

2196174770438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306632.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 2196174770438 in words is "two trillion, one hundred ninety-six billion, one hundred seventy-four million, seven hundred seventy thousand, four hundred thirty-eight".