2064402461 has 16 divisors (see below), whose sum is σ = 2293111296. Its totient is φ = 1842750000.

The previous prime is 2064402427. The next prime is 2064402469. The reversal of 2064402461 is 1642044602.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064402461 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 (2064402469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190766 + ... + 201296.

It is an arithmetic number, because the mean of its divisors is an integer number (143319456).

Almost surely, 2^2064402461 is an apocalyptic number.

It is an amenable number.

2064402461 is a deficient number, since it is larger than the sum of its proper divisors (228708835).

2064402461 is a wasteful number, since it uses less digits than its factorization.

2064402461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2064402461 is about 45435.6958899058. The cubic root of 2064402461 is about 1273.3021020562.

The spelling of 2064402461 in words is "two billion, sixty-four million, four hundred two thousand, four hundred sixty-one".