2064240631 has 2 divisors, whose sum is σ = 2064240632. Its totient is φ = 2064240630.

The previous prime is 2064240599. The next prime is 2064240643. The reversal of 2064240631 is 1360424602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2064240631 - 2⁵ = 2064240599 is a prime.

It is a super-2 number, since 2×2064240631² = 8522178765342556322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2064240631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2064243631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032120315 + 1032120316.

It is an arithmetic number, because the mean of its divisors is an integer number (1032120316).

Almost surely, 2^2064240631 is an apocalyptic number.

2064240631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064240631 is an equidigital number, since it uses as much as digits as its factorization.

2064240631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2064240631 is about 45433.9149864944. The cubic root of 2064240631 is about 1273.2688294962.

The spelling of 2064240631 in words is "two billion, sixty-four million, two hundred forty thousand, six hundred thirty-one".