2651005965847 has 2 divisors, whose sum is σ = 2651005965848. Its totient is φ = 2651005965846.

The previous prime is 2651005965823. The next prime is 2651005965859. The reversal of 2651005965847 is 7485695001562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651005965847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2651005965791 and 2651005965800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651005365847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325502982923 + 1325502982924.

It is an arithmetic number, because the mean of its divisors is an integer number (1325502982924).

Almost surely, 2^{2651005965847} is an apocalyptic number.

2651005965847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651005965847 is an equidigital number, since it uses as much as digits as its factorization.

2651005965847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 2651005965847 in words is "two trillion, six hundred fifty-one billion, five million, nine hundred sixty-five thousand, eight hundred forty-seven".