201919740001 has 32 divisors (see below), whose sum is σ = 237109137408. Its totient is φ = 168351281280.

The previous prime is 201919739999. The next prime is 201919740019. The reversal of 201919740001 is 100047919102.

It is not a de Polignac number, because 201919740001 - 2¹ = 201919739999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201919744001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88289080 + ... + 88291366.

It is an arithmetic number, because the mean of its divisors is an integer number (7409660544).

Almost surely, 2^201919740001 is an apocalyptic number.

It is an amenable number.

201919740001 is a deficient number, since it is larger than the sum of its proper divisors (35189397407).

201919740001 is a wasteful number, since it uses less digits than its factorization.

201919740001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 201919740001 in words is "two hundred one billion, nine hundred nineteen million, seven hundred forty thousand, one".