3973939201 has 4 divisors (see below), whose sum is σ = 3976948804. Its totient is φ = 3970929600.

The previous prime is 3973939199. The next prime is 3973939283. The reversal of 3973939201 is 1029393793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1029393793 = 239 ⋅4307087.

It can be written as a sum of positive squares in 2 ways, for example, as 1829786176 + 2144153025 = 42776^2 + 46305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973939201 - 2¹ = 3973939199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973930201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502820 + ... + 1505461.

It is an arithmetic number, because the mean of its divisors is an integer number (994237201).

Almost surely, 2^3973939201 is an apocalyptic number.

It is an amenable number.

3973939201 is a deficient number, since it is larger than the sum of its proper divisors (3009603).

3973939201 is a wasteful number, since it uses less digits than its factorization.

3973939201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009602.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 3973939201 is about 63039.1878199585. The cubic root of 3973939201 is about 1583.9461262467.

The spelling of 3973939201 in words is "three billion, nine hundred seventy-three million, nine hundred thirty-nine thousand, two hundred one".