3952642141645 has 8 divisors (see below), whose sum is σ = 4743254456856. Its totient is φ = 3162057788736.

The previous prime is 3952642141597. The next prime is 3952642141663. The reversal of 3952642141645 is 5461412462593.

It can be written as a sum of positive squares in 4 ways, for example, as 32551015561 + 3920091126084 = 180419^2 + 1979922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3952642141645 - 2¹⁹ = 3952641617357 is a prime.

It is a super-3 number, since 3×3952642141645³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3952642141592 and 3952642141601.

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 7 ways as a sum of consecutive naturals, for example, 6678322 + ... + 7246051.

It is an arithmetic number, because the mean of its divisors is an integer number (592906807107).

Almost surely, 2^{3952642141645} is an apocalyptic number.

It is an amenable number.

3952642141645 is a deficient number, since it is larger than the sum of its proper divisors (790612315211).

3952642141645 is a wasteful number, since it uses less digits than its factorization.

3952642141645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981151.

The product of its digits is 6220800, while the sum is 52.

The spelling of 3952642141645 in words is "three trillion, nine hundred fifty-two billion, six hundred forty-two million, one hundred forty-one thousand, six hundred forty-five".