4170721446125 has 36 divisors (see below), whose sum is σ = 5636649953844. Its totient is φ = 3079698180000.

The previous prime is 4170721446107. The next prime is 4170721446181. The reversal of 4170721446125 is 5216441270714.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 2938557065284 + 1232164380841 = 1714222^2 + 1110029^2 .

It is not a de Polignac number, because 4170721446125 - 2¹² = 4170721442029 is a prime.

It is a super-2 number, since 2×4170721446125² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 296820350 + ... + 296834400.

It is an arithmetic number, because the mean of its divisors is an integer number (156573609829).

Almost surely, 2^{4170721446125} is an apocalyptic number.

It is an amenable number.

4170721446125 is a deficient number, since it is larger than the sum of its proper divisors (1465928507719).

4170721446125 is an frugal number, since it uses more digits than its factorization.

4170721446125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28143 (or 14069 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 4170721446125 in words is "four trillion, one hundred seventy billion, seven hundred twenty-one million, four hundred forty-six thousand, one hundred twenty-five".