3972421124073 has 8 divisors (see below), whose sum is σ = 5885068332000. Its totient is φ = 2648280749364.

The previous prime is 3972421124051. The next prime is 3972421124129. The reversal of 3972421124073 is 3704211242793.

3972421124073 is a `hidden beast` number, since 3 + 9 + 7 + 24 + 211 + 2 + 407 + 3 = 666.

It is not a de Polignac number, because 3972421124073 - 2¹² = 3972421119977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3972421124473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73563354123 + ... + 73563354176.

It is an arithmetic number, because the mean of its divisors is an integer number (735633541500).

Almost surely, 2^{3972421124073} is an apocalyptic number.

It is an amenable number.

3972421124073 is a deficient number, since it is larger than the sum of its proper divisors (1912647207927).

3972421124073 is a wasteful number, since it uses less digits than its factorization.

3972421124073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147126708308 (or 147126708302 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 3972421124073 in words is "three trillion, nine hundred seventy-two billion, four hundred twenty-one million, one hundred twenty-four thousand, seventy-three".