39221812401 has 16 divisors (see below), whose sum is σ = 52419407040. Its totient is φ = 26086104320.

The previous prime is 39221812387. The next prime is 39221812453. The reversal of 39221812401 is 10421812293.

It is a cyclic number.

It is not a de Polignac number, because 39221812401 - 2¹⁷ = 39221681329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39221812501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259486 + ... + 3271496.

It is an arithmetic number, because the mean of its divisors is an integer number (3276212940).

Almost surely, 2^39221812401 is an apocalyptic number.

It is an amenable number.

39221812401 is a deficient number, since it is larger than the sum of its proper divisors (13197594639).

39221812401 is a wasteful number, since it uses less digits than its factorization.

39221812401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 39221812401 in words is "thirty-nine billion, two hundred twenty-one million, eight hundred twelve thousand, four hundred one".