2651005965823 has 2 divisors, whose sum is σ = 2651005965824. Its totient is φ = 2651005965822.

The previous prime is 2651005965799. The next prime is 2651005965847. The reversal of 2651005965823 is 3285695001562.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2651005965799) and next prime (2651005965847).

It is a cyclic number.

It is not a de Polignac number, because 2651005965823 - 2³³ = 2642416031231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651005965863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325502982911 + 1325502982912.

It is an arithmetic number, because the mean of its divisors is an integer number (1325502982912).

Almost surely, 2^{2651005965823} is an apocalyptic number.

2651005965823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651005965823 is an equidigital number, since it uses as much as digits as its factorization.

2651005965823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 2651005965823 in words is "two trillion, six hundred fifty-one billion, five million, nine hundred sixty-five thousand, eight hundred twenty-three".