2106146901 has 4 divisors (see below), whose sum is σ = 2808195872. Its totient is φ = 1404097932.

The previous prime is 2106146891. The next prime is 2106146921. The reversal of 2106146901 is 1096416012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2106146901 - 2¹³ = 2106138709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106146921) 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, 351024481 + ... + 351024486.

It is an arithmetic number, because the mean of its divisors is an integer number (702048968).

Almost surely, 2^2106146901 is an apocalyptic number.

It is an amenable number.

2106146901 is a deficient number, since it is larger than the sum of its proper divisors (702048971).

2106146901 is an equidigital number, since it uses as much as digits as its factorization.

2106146901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702048970.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2106146901 is about 45892.7761308901. The cubic root of 2106146901 is about 1281.8274071323.

The spelling of 2106146901 in words is "two billion, one hundred six million, one hundred forty-six thousand, nine hundred one".