2064015901 has 8 divisors (see below), whose sum is σ = 2087227224. Its totient is φ = 2040859200.

The previous prime is 2064015859. The next prime is 2064015907. The reversal of 2064015901 is 1095104602.

It can be written as a sum of positive squares in 4 ways, for example, as 663011001 + 1401004900 = 25749^2 + 37430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2064015901 - 2⁷ = 2064015773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064015901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064015907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64855 + ... + 91291.

It is an arithmetic number, because the mean of its divisors is an integer number (260903403).

Almost surely, 2^2064015901 is an apocalyptic number.

It is an amenable number.

2064015901 is a deficient number, since it is larger than the sum of its proper divisors (23211323).

2064015901 is a wasteful number, since it uses less digits than its factorization.

2064015901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2064015901 is about 45431.4417666884. The cubic root of 2064015901 is about 1273.2226216908. Note that the first 3 decimals are identical.

The spelling of 2064015901 in words is "two billion, sixty-four million, fifteen thousand, nine hundred one".