2064641951 has 2 divisors, whose sum is σ = 2064641952. Its totient is φ = 2064641950.

The previous prime is 2064641927. The next prime is 2064642029. The reversal of 2064641951 is 1591464602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064641951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2064641651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032320975 + 1032320976.

It is an arithmetic number, because the mean of its divisors is an integer number (1032320976).

Almost surely, 2^2064641951 is an apocalyptic number.

2064641951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064641951 is an equidigital number, since it uses as much as digits as its factorization.

2064641951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2064641951 is about 45438.3312963846. The cubic root of 2064641951 is about 1273.3513384712.

The spelling of 2064641951 in words is "two billion, sixty-four million, six hundred forty-one thousand, nine hundred fifty-one".