2174964531940 has 12 divisors (see below), whose sum is σ = 4567425517116. Its totient is φ = 869985812768.

The previous prime is 2174964531899. The next prime is 2174964531967. The reversal of 2174964531940 is 491354694712.

It can be written as a sum of positive squares in 2 ways, for example, as 1539768283876 + 635196248064 = 1240874^2 + 796992^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54374113279 + ... + 54374113318.

It is an arithmetic number, because the mean of its divisors is an integer number (380618793093).

Almost surely, 2^{2174964531940} is an apocalyptic number.

2174964531940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2174964531940 is an abundant number, since it is smaller than the sum of its proper divisors (2392460985176).

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

2174964531940 is a wasteful number, since it uses less digits than its factorization.

2174964531940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108748226606 (or 108748226604 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 2174964531940 in words is "two trillion, one hundred seventy-four billion, nine hundred sixty-four million, five hundred thirty-one thousand, nine hundred forty".