2263456543709 has 2 divisors, whose sum is σ = 2263456543710. Its totient is φ = 2263456543708.

The previous prime is 2263456543681. The next prime is 2263456543717. The reversal of 2263456543709 is 9073456543622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2253535387684 + 9921156025 = 1501178^2 + 99605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2263456543709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2263456543769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131728271854 + 1131728271855.

It is an arithmetic number, because the mean of its divisors is an integer number (1131728271855).

Almost surely, 2^{2263456543709} is an apocalyptic number.

It is an amenable number.

2263456543709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263456543709 is an equidigital number, since it uses as much as digits as its factorization.

2263456543709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 56.

The spelling of 2263456543709 in words is "two trillion, two hundred sixty-three billion, four hundred fifty-six million, five hundred forty-three thousand, seven hundred nine".