2461013978263 has 2 divisors, whose sum is σ = 2461013978264. Its totient is φ = 2461013978262.

The previous prime is 2461013978251. The next prime is 2461013978299. The reversal of 2461013978263 is 3628793101642.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461013978263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2461013978263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461013978243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230506989131 + 1230506989132.

It is an arithmetic number, because the mean of its divisors is an integer number (1230506989132).

Almost surely, 2^{2461013978263} is an apocalyptic number.

2461013978263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461013978263 is an equidigital number, since it uses as much as digits as its factorization.

2461013978263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 2461013978263 in words is "two trillion, four hundred sixty-one billion, thirteen million, nine hundred seventy-eight thousand, two hundred sixty-three".