1930211640001 has 4 divisors (see below), whose sum is σ = 1996770662100. Its totient is φ = 1863652617904.

The previous prime is 1930211639999. The next prime is 1930211640017. The reversal of 1930211640001 is 1000461120391.

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 1061445970225 + 868765669776 = 1030265^2 + 932076^2 .

It is not a de Polignac number, because 1930211640001 - 2¹ = 1930211639999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930211640101) 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, 33279511006 + ... + 33279511063.

It is an arithmetic number, because the mean of its divisors is an integer number (499192665525).

Almost surely, 2^{1930211640001} is an apocalyptic number.

It is an amenable number.

1930211640001 is a deficient number, since it is larger than the sum of its proper divisors (66559022099).

1930211640001 is an equidigital number, since it uses as much as digits as its factorization.

1930211640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66559022098.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 1930211640001 its reverse (1000461120391), we get a palindrome (2930672760392).

The spelling of 1930211640001 in words is "one trillion, nine hundred thirty billion, two hundred eleven million, six hundred forty thousand, one".