3954412632081 has 16 divisors (see below), whose sum is σ = 5411177081024. Its totient is φ = 2567325487104.

The previous prime is 3954412632029. The next prime is 3954412632083. The reversal of 3954412632081 is 1802362144593.

It is not a de Polignac number, because 3954412632081 - 2¹⁴ = 3954412615697 is a prime.

It is a super-2 number, since 2×3954412632081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3954412632081.

It is not an unprimeable number, because it can be changed into a prime (3954412632083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45437776 + ... + 45524721.

It is an arithmetic number, because the mean of its divisors is an integer number (338198567564).

Almost surely, 2^{3954412632081} is an apocalyptic number.

It is an amenable number.

3954412632081 is a deficient number, since it is larger than the sum of its proper divisors (1456764448943).

3954412632081 is a wasteful number, since it uses less digits than its factorization.

3954412632081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90962880.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 3954412632081 in words is "three trillion, nine hundred fifty-four billion, four hundred twelve million, six hundred thirty-two thousand, eighty-one".