2194770551832 has 128 divisors (see below), whose sum is σ = 6340635840000. Its totient is φ = 702861909120.

The previous prime is 2194770551797. The next prime is 2194770551833. The reversal of 2194770551832 is 2381550774912.

2194770551832 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 7 + 7 + 0 + 551 + 83 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194770551833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1370332 + ... + 2503467.

It is an arithmetic number, because the mean of its divisors is an integer number (49536217500).

Almost surely, 2^{2194770551832} is an apocalyptic number.

It is an amenable number.

2194770551832 is an abundant number, since it is smaller than the sum of its proper divisors (4145865288168).

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

2194770551832 is a wasteful number, since it uses less digits than its factorization.

2194770551832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873918 (or 3873908 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 2194770551832 in words is "two trillion, one hundred ninety-four billion, seven hundred seventy million, five hundred fifty-one thousand, eight hundred thirty-two".