3950204081801 has 4 divisors (see below), whose sum is σ = 3959862282900. Its totient is φ = 3940545880704.

The previous prime is 3950204081767. The next prime is 3950204081819. The reversal of 3950204081801 is 1081804020593.

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 2719992577600 + 1230211504201 = 1649240^2 + 1109149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3950204081801 is a prime.

It is a super-2 number, since 2×3950204081801² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3950204081401) 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, 4829099936 + ... + 4829100753.

It is an arithmetic number, because the mean of its divisors is an integer number (989965570725).

Almost surely, 2^{3950204081801} is an apocalyptic number.

It is an amenable number.

3950204081801 is a deficient number, since it is larger than the sum of its proper divisors (9658201099).

3950204081801 is an equidigital number, since it uses as much as digits as its factorization.

3950204081801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658201098.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 3950204081801 in words is "three trillion, nine hundred fifty billion, two hundred four million, eighty-one thousand, eight hundred one".