939896020801 has 4 divisors (see below), whose sum is σ = 939899159892. Its totient is φ = 939892881712.

The previous prime is 939896020781. The next prime is 939896020807. The reversal of 939896020801 is 108020698939.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 501752639025 + 438143381776 = 708345^2 + 661924^2 .

It is a cyclic number.

It is not a de Polignac number, because 939896020801 - 2⁷ = 939896020673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939896020807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066726 + ... + 1737151.

It is an arithmetic number, because the mean of its divisors is an integer number (234974789973).

Almost surely, 2^939896020801 is an apocalyptic number.

It is an amenable number.

939896020801 is a deficient number, since it is larger than the sum of its proper divisors (3139091).

939896020801 is a wasteful number, since it uses less digits than its factorization.

939896020801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139090.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 939896020801 in words is "nine hundred thirty-nine billion, eight hundred ninety-six million, twenty thousand, eight hundred one".